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-rw-r--r--gcc/c-typeck.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/c-typeck.c b/gcc/c-typeck.c
index f2a60db8161..909edbe6a37 100644
--- a/gcc/c-typeck.c
+++ b/gcc/c-typeck.c
@@ -917,7 +917,7 @@ comptypes_internal (const_tree type1, const_tree type2)
/* Qualifiers must match. C99 6.7.3p9 */
- if (TYPE_QUALS (t1) != TYPE_QUALS (t2))
+ if (TYPE_QUALS (CONST_CAST_TREE (t1)) != TYPE_QUALS (CONST_CAST_TREE (t2)))
return 0;
/* Allow for two different type nodes which have essentially the same