mirror of
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The Go programming language
89d46fed2c
[Same as CL 102820043 except applied changes to 6g/gsubr.c also to 5g/gsubr.c and 8g/gsubr.c. The problem I had last night trying to do that was that 8g's copy of nodarg has different (but equivalent) control flow and I was pasting the new code into the wrong place.] Description from CL 102820043: The 'nodarg' function is used to obtain a Node* representing a function argument or result. It returned a brand new Node*, but that violates the guarantee in most places in the compiler that two Node*s refer to the same variable if and only if they are the same Node* pointer. Reestablish that invariant by making nodarg return a preexisting named variable if present. Having fixed that, avoid any copy during x=x in componentgen, because the VARDEF we emit before the copy marks the lhs x as dead incorrectly. The change in walk.c avoids modifying the result of nodarg. This was the only place in the compiler that did so. Fixes #8097. LGTM=khr R=golang-codereviews, khr CC=golang-codereviews, iant, khr, r https://golang.org/cl/103750043 |
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This is the source code repository for the Go programming language.
For documentation about how to install and use Go,
visit http://golang.org/ or load doc/install-source.html
in your web browser.
After installing Go, you can view a nicely formatted
doc/install-source.html by running godoc --http=:6060
and then visiting http://localhost:6060/doc/install/source.
Unless otherwise noted, the Go source files are distributed
under the BSD-style license found in the LICENSE file.
--
Binary Distribution Notes
If you have just untarred a binary Go distribution, you need to set
the environment variable $GOROOT to the full path of the go
directory (the one containing this README). You can omit the
variable if you unpack it into /usr/local/go, or if you rebuild
from sources by running all.bash (see doc/install.html).
You should also add the Go binary directory $GOROOT/bin
to your shell's path.
For example, if you extracted the tar file into $HOME/go, you might
put the following in your .profile:
export GOROOT=$HOME/go
export PATH=$PATH:$GOROOT/bin
See doc/install.html for more details.