tree 6489f76f5f09fa218f2708afef774a8646a2a557
parent bdea352b96c6934ee49920b18c3b8aedffd27d08
author Keith Randall <keithr@alum.mit.edu> 1564767363 -0700
committer Keith Randall <khr@golang.org> 1564774537 +0000

cmd/compile: fix crash on write barrier insertion

The compiler can crash if the compiled code tries to
unconditionally read from a nil pointer. This should cause
the generated binary to panic, not the compiler.

Fixes #33438

Change-Id: Ic8fa89646d6968e2cc4e27da0ad9286662f8bc49
Reviewed-on: https://go-review.googlesource.com/c/go/+/188760
Reviewed-by: Austin Clements <austin@google.com>