Rémy Oudompheng e024ed5ca4 cmd/gc: don't walk static nodes generated by anylit. ...

During anylit run, nodes such as SLICEARR(statictmp, [:])
may be generated and are expected to be found unchanged by
gen_as_init.

In some walks (in particular walkselect), the statement
may be walked again and lowered to its usual form, leading to a
crash.

Fixes #8017.
Fixes #8024.
Fixes #8058.

LGTM=rsc
R=golang-codereviews, dvyukov, gobot, rsc
CC=golang-codereviews
https://golang.org/cl/112080043

2014-09-15 18:31:47 +02:00

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