7fc638d6f1
This CL changes GOEXPERIMENT to act like other GO[CONFIG] environment variables. Namely, that it can be set at make.bash time to provide a default value used by the toolchain, but then can be manually set when running either cmd/go or the individual tools (compiler, assembler, linker). For example, it's now possible to test rsc.io/tmp/fieldtrack by simply running: GOEXPERIMENT=fieldtrack go test -gcflags=-l rsc.io/tmp/fieldtrack \ -ldflags=-k=rsc.io/tmp/fieldtrack.tracked without needing to re-run make.bash. (-gcflags=-l is needed because the compiler's inlining abilities have improved, so calling a function with a for loop is no longer sufficient to suppress inlining.) Fixes #42681. Change-Id: I2cf8995d5d0d05f6785a2ee1d3b54b2cfb3331ca Reviewed-on: https://go-review.googlesource.com/c/go/+/300991 Trust: Matthew Dempsky <mdempsky@google.com> Run-TryBot: Matthew Dempsky <mdempsky@google.com> TryBot-Result: Go Bot <gobot@golang.org> Reviewed-by: Bryan C. Mills <bcmills@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.
Gopher image by Renee French, licensed under Creative Commons 3.0 Attributions license.
Our canonical Git repository is located at https://go.googlesource.com/go. There is a mirror of the repository at https://github.com/golang/go.
Unless otherwise noted, the Go source files are distributed under the BSD-style license found in the LICENSE file.
Download and Install
Binary Distributions
Official binary distributions are available at https://golang.org/dl/.
After downloading a binary release, visit https://golang.org/doc/install for installation instructions.
Install From Source
If a binary distribution is not available for your combination of operating system and architecture, visit https://golang.org/doc/install/source for source installation instructions.
Contributing
Go is the work of thousands of contributors. We appreciate your help!
To contribute, please read the contribution guidelines at https://golang.org/doc/contribute.html.
Note that the Go project uses the issue tracker for bug reports and proposals only. See https://golang.org/wiki/Questions for a list of places to ask questions about the Go language.