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Cuong Manh Le c82304b712 cmd/compile: do not devirtualize defer/go calls 
For defer/go calls, the function/method value are evaluated immediately.
So after devirtualizing, it may trigger a panic when implicitly deref
a nil pointer receiver, causing the program behaves unexpectedly.

It's safer to not devirtualizing defer/go calls at all.

Fixes #52072

Change-Id: I562c2860e3e577b36387dc0a12ae5077bc0766bf
Reviewed-on: https://go-review.googlesource.com/c/go/+/428495
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Auto-Submit: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com>
 		2022-09-06 22:14:56 +00:00
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abi
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alias3.dir
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asmhdr.dir cmd/compile: use exact constant in go_asm.h 2022-01-10 21:27:19 +00:00
bench
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chan
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closure3.dir
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closure5.dir test: use dot-relative imports where appropriate 2022-03-24 02:14:15 +00:00
codegen cmd/compile: rewrite >>c<<c to &^(1<<c-1) 2022-09-02 18:51:37 +00:00
ddd2.dir
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dwarf
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fixedbugs cmd/compile: do not devirtualize defer/go calls 2022-09-06 22:14:56 +00:00
import2.dir
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import4.dir
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interface cmd/compile: require -p flag 2022-03-09 21:31:58 +00:00
intrinsic.dir
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ken
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linkname.dir test: compile source files as if from "test" module 2022-03-24 17:50:47 +00:00
method4.dir
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retjmp.dir
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runtime
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stress
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syntax go/parser: adjustments to error messages 2022-09-01 22:37:04 +00:00
typeparam cmd/compile: restrict //go:notinheap to runtime/internal/sys 2022-09-02 06:22:23 +00:00
uintptrescapes.dir
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64bit.go
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235.go
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README.md
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alg.go
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alias.go
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alias1.go
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alias2.go
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alias3.go
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align.go
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append.go
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append1.go
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args.go
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armimm.go
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asmhdr.go
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assign.go
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assign1.go
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atomicload.go
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bigalg.go
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bigmap.go
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blank.go
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blank1.go
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bom.go
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bombad.go
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bounds.go
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cannotassign.go
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chancap.go
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chanlinear.go
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char_lit.go
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char_lit1.go
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checkbce.go
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clearfat.go
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closedchan.go
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closure.go
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closure1.go
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closure2.go
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closure3.go
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closure4.go
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closure5.go
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closure6.go
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closure7.go
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cmp.go
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cmp6.go
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cmplx.go
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cmplxdivide.c
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cmplxdivide.go
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cmplxdivide1.go
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complit.go
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complit1.go
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compos.go
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const.go
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const1.go
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const2.go
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const3.go
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const4.go
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const5.go
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const6.go
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const7.go go/types, types2: check integer constant literal overflow 2022-08-16 01:11:29 +00:00
const8.go test: add more tests for const decls with ommitted RHS expressions 2022-06-28 18:11:31 +00:00
convT2X.go
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convert.go
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convert1.go
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convert2.go
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convert3.go
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convert4.go
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convlit.go
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convlit1.go
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copy.go
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copy1.go
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crlf.go
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ddd.go
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ddd1.go
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ddd2.go
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decl.go
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declbad.go
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defer.go
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defererrcheck.go
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deferfin.go
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defernil.go
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deferprint.go
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deferprint.out
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devirt.go
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directive.go cmd/compile: restrict //go:notinheap to runtime/internal/sys 2022-09-02 06:22:23 +00:00
directive2.go cmd/compile: restrict //go:notinheap to runtime/internal/sys 2022-09-02 06:22:23 +00:00
divide.go
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divmod.go
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embedfunc.go
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embedvers.go
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empty.go
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env.go
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eof.go
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eof1.go
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escape.go
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escape2.go
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escape2n.go
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escape3.go
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escape4.go
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escape5.go
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escape_array.go
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escape_calls.go
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escape_closure.go
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escape_field.go
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escape_goto.go
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escape_hash_maphash.go
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escape_iface.go [dev.unified] test: break escape_iface.go into unified/nounified variants 2022-06-30 18:41:26 +00:00
escape_iface_nounified.go [dev.unified] test: break escape_iface.go into unified/nounified variants 2022-06-30 18:41:26 +00:00
escape_iface_unified.go [dev.unified] cmd/compile/internal/noder: implicit conversions for multi-valued expressions 2022-06-30 18:42:24 +00:00
escape_indir.go
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escape_level.go
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escape_map.go
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escape_param.go
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escape_runtime_atomic.go
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escape_selfassign.go
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escape_slice.go
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escape_struct_param1.go
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escape_struct_param2.go
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escape_struct_return.go
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escape_sync_atomic.go
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escape_unsafe.go
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fibo.go
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finprofiled.go
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float_lit.go
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float_lit2.go
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float_lit3.go
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floatcmp.go
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for.go
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func.go
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func1.go
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func2.go
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func3.go
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func4.go
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func5.go
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func6.go
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func7.go
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func8.go
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funcdup.go
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funcdup2.go
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fuse.go
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gc.go
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gc1.go
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gc2.go
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gcgort.go
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gcstring.go
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goprint.go
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goprint.out
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goto.go
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heapsampling.go test/heapsampling.go: slow down allocation rate and reduce iterations 2022-05-27 21:36:06 +00:00
helloworld.go
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helloworld.out
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if.go
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import.go
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import1.go test: re-enable most go/tests that were disabled because of types2 differences 2022-01-11 02:26:58 +00:00
import2.go
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import4.go
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import5.go
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import6.go test: re-enable most go/tests that were disabled because of types2 differences 2022-01-11 02:26:58 +00:00
index.go
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index0.go
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index1.go
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index2.go
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indirect.go
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indirect1.go
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init.go
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init1.go
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initcomma.go
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initempty.go
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initexp.go
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initialize.go
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initializerr.go test: re-enable most go/tests that were disabled because of types2 differences 2022-01-11 02:26:58 +00:00
initloop.go
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inline.go [dev.unified] test: extract different inline test between unified and non-unified 2022-06-15 21:22:56 +00:00
inline_big.go
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inline_caller.go
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inline_callers.go
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inline_endian.go
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inline_literal.go
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inline_math_bits_rotate.go
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inline_nounified.go [dev.unified] test: extract different inline test between unified and non-unified 2022-06-15 21:22:56 +00:00
inline_sync.go sync: convert Once.done to atomic type 2022-09-06 16:53:51 +00:00
inline_unified.go cmd/compile/internal/noder: fix inlined function literal positions 2022-08-25 18:46:22 +00:00
inline_variadic.go
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int_lit.go
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intcvt.go
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intrinsic.go
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intrinsic_atomic.go misc, test: fix test error for loong64 2022-05-20 16:16:37 +00:00
iota.go
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label.go
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label1.go
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linkmain.go
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linkmain_run.go cmd/compile: require -p flag 2022-03-09 21:31:58 +00:00
linkname.go
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linkname3.go
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linkobj.go cmd/compile: require -p flag 2022-03-09 21:31:58 +00:00
linkx.go
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linkx_run.go
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literal.go
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literal2.go
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live.go cmd/compile: stop using VARKILL 2022-08-18 17:36:38 +00:00
live1.go
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live2.go
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live_regabi.go cmd/compile: stop using VARKILL 2022-08-18 17:36:38 +00:00
live_uintptrkeepalive.go all: fix spelling 2022-05-17 19:51:29 +00:00
loopbce.go cmd/compile: tighten bounds for induction variables in strided loops 2022-08-31 22:04:55 +00:00
mainsig.go
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makechan.go
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makemap.go
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makenew.go
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makeslice.go
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mallocfin.go
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map.go
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map1.go
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mapclear.go
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maplinear.go
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maymorestack.go
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mergemul.go
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method.go
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method1.go
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method2.go go/types, types2: better error message when using *interface instead of interface 2022-01-10 22:48:40 +00:00
method3.go
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method4.go
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method5.go
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method6.go
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method7.go
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named.go
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named1.go
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nil.go
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nilcheck.go [dev.unified] test: tweak nilcheck test 2022-06-30 18:41:59 +00:00
nilptr.go
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nilptr2.go
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nilptr3.go
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nilptr4.go
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nilptr5.go cmd/compile: handle partially overlapping assignments 2022-08-23 19:56:32 +00:00
nilptr5_aix.go
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nilptr5_wasm.go
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nilptr_aix.go
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nosplit.go misc, test: fix test error for loong64 2022-05-20 16:16:37 +00:00
nowritebarrier.go
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nul1.go
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opt_branchlikely.go
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parentype.go
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peano.go
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phiopt.go
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print.go
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print.out
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printbig.go
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printbig.out
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prove.go cmd/compile: teach prove about bitwise OR operation 2022-08-31 09:35:45 +00:00
prove_constant_folding.go cmd/compile: fold constants found by prove 2022-05-04 20:30:17 +00:00
range.go
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recover.go
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recover1.go
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recover2.go
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recover3.go
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recover4.go
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recover5.go
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reflectmethod1.go
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reflectmethod2.go
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reflectmethod3.go
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reflectmethod4.go
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reflectmethod6.go
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reflectmethod8.go
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rename.go
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rename1.go
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reorder.go
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reorder2.go
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retjmp.go
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return.go
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rotate.go
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rotate0.go
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rotate1.go
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rotate2.go
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rotate3.go
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run.go go/types,types2: move notinheap tests to fixedbugs directory 2022-09-02 17:46:15 +00:00
rune.go
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runtime.go
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shift1.go
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shift2.go
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shift3.go cmd/compile: adjust types2 shift check to match go/types (cleanup) 2022-04-07 17:19:55 +00:00
sieve.go
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sigchld.go
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sigchld.out
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simassign.go
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sinit.go
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sinit_run.go cmd/compile: require -p flag 2022-03-09 21:31:58 +00:00
sizeof.go
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slice3.go
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slice3err.go
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slicecap.go
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sliceopt.go
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solitaire.go
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stack.go
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stackobj.go
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strcopy.go
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strength.go
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string_lit.go
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stringrange.go
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struct0.go
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switch.go [dev.unified] test: add switch test case for tricky nil handling 2022-07-19 23:30:49 +00:00
switch2.go go/parser: adjustments to error messages 2022-09-01 22:37:04 +00:00
switch3.go
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switch4.go
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switch5.go
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switch6.go
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switch7.go
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tinyfin.go
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torture.go
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turing.go
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typecheck.go test: re-enable most go/tests that were disabled because of types2 differences 2022-01-11 02:26:58 +00:00
typecheckloop.go
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typeswitch.go
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typeswitch1.go
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typeswitch2.go
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typeswitch2b.go
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typeswitch3.go
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uintptrescapes.go
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uintptrescapes2.go
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uintptrescapes3.go
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uintptrkeepalive.go cmd/compile: add //go:uintptrkeepalive 2022-04-21 18:06:38 +00:00
undef.go
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unsafe_slice_data.go cmd/compile: add support for unsafe.{String,StringData,SliceData} 2022-08-31 17:15:15 +00:00
unsafe_string.go cmd/compile: add support for unsafe.{String,StringData,SliceData} 2022-08-31 17:15:15 +00:00
unsafe_string_data.go cmd/compile: add support for unsafe.{String,StringData,SliceData} 2022-08-31 17:15:15 +00:00
unsafebuiltins.go cmd/compile: add support for unsafe.{String,StringData,SliceData} 2022-08-31 17:15:15 +00:00
used.go
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utf.go
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varerr.go
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varinit.go
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winbatch.go
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writebarrier.go
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zerodivide.go
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README.md

The test directory contains tests of the Go tool chain and runtime. It includes black box tests, regression tests, and error output tests. They are run as part of all.bash.

To run just these tests, execute:

../bin/go run run.go

To run just tests from specified files in this directory, execute:

../bin/go run run.go -- file1.go file2.go ...

Standard library tests should be written as regular Go tests in the appropriate package.

The tool chain and runtime also have regular Go tests in their packages. The main reasons to add a new test to this directory are:

  • it is most naturally expressed using the test runner; or
  • it is also applicable to gccgo and other Go tool chains.