7f1467ff4d
In Go 1.17, cmd/compile gained the ability to inline calls to functions that contain function literals (aka "closures"). This was implemented by duplicating the function literal body and emitting a second LSym, because in general it might be optimized better than the original function literal. However, the second LSym was named simply as any other function literal appearing literally in the enclosing function would be named. E.g., if f has a closure "f.funcX", and f is inlined into g, we would create "g.funcY" (N.B., X and Y need not be the same.). Users then have no idea this function originally came from f. With this CL, the inlined call stack is incorporated into the clone LSym's name: instead of "g.funcY", it's named "g.f.funcY". In the future, it seems desirable to arrange for the clone's name to appear exactly as the original name, so stack traces remain the same as when -l or -d=inlfuncswithclosures are used. But it's unclear whether the linker supports that today, or whether any downstream tooling would be confused by this. Updates #60324. Change-Id: Ifad0ccef7e959e72005beeecdfffd872f63982f8 Reviewed-on: https://go-review.googlesource.com/c/go/+/497137 Reviewed-by: Michael Pratt <mpratt@google.com> TryBot-Result: Gopher Robot <gobot@golang.org> Run-TryBot: Matthew Dempsky <mdempsky@google.com> |
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README.md
The Go Programming Language
Go is an open source programming language that makes it easy to build simple, reliable, and efficient software.
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Unless otherwise noted, the Go source files are distributed under the BSD-style license found in the LICENSE file.
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Note that the Go project uses the issue tracker for bug reports and proposals only. See https://go.dev/wiki/Questions for a list of places to ask questions about the Go language.