commit f68d1df6b987ce7d0e33bb836670c92ad66f65dd
author Russ Cox <rsc@golang.org> Mon Aug 17 21:38:46 2015 -0400
committer Russ Cox <rsc@golang.org> Tue Aug 18 14:36:01 2015 +0000
tree f9f57af7e0e29244ee3e61fb4a1558b75e65c2c6
parent 9e26cde78697b5b31fac0b205adba57bd8d1f674

cmd/compile: fix interaction between GOEXPERIMENT=fieldtrack and race detector

Tested by hand.
Only lines of code changing are protected by Fieldtrack_enabled > 0,
which is never true in standard Go distributions.

Fixes #12171.

Change-Id: I963b9997dac10829db8ad4bfc97a7d6bf14b55c6
Reviewed-on: https://go-review.googlesource.com/13676
Reviewed-by: Ian Lance Taylor <iant@golang.org>

src/cmd/compile/internal/gc/walk.go

diff --git a/src/cmd/compile/internal/gc/walk.go b/src/cmd/compile/internal/gc/walk.go
index 91c0a47..ce73018 100644
--- a/src/cmd/compile/internal/gc/walk.go
+++ b/src/cmd/compile/internal/gc/walk.go
@@ -3873,7 +3873,7 @@
 	if Isptr[t.Etype] {
 		t = t.Type
 	}
-	field := dotField[typeSym{t, n.Right.Sym}]
+	field := dotField[typeSym{t.Orig, n.Right.Sym}]
 	if field == nil {
 		Fatal("usefield %v %v without paramfld", n.Left.Type, n.Right.Sym)
 	}