gcc/gcc49-pr64336.patch
Jakub Jelinek 79c442fecf 4.9.2-3
2014-12-17 12:11:31 +01:00

18 lines
510 B
Diff

2014-12-17 Jakub Jelinek <jakub@redhat.com>
PR sanitizer/64336
* tsan.c (instrument_expr): Ignore TREE_READONLY bit
on MEM_REFs.
--- gcc/tsan.c.jj 2014-12-17 10:53:30.000000000 +0100
+++ gcc/tsan.c 2014-12-17 11:55:12.793058159 +0100
@@ -138,7 +138,7 @@ instrument_expr (gimple_stmt_iterator gs
return false;
}
- if (TREE_READONLY (base)
+ if ((TREE_READONLY (base) && TREE_CODE (base) != MEM_REF)
|| (TREE_CODE (base) == VAR_DECL
&& DECL_HARD_REGISTER (base)))
return false;