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authorSimon Baldwin <simonb@google.com>2008-04-26 16:59:38 +0000
committerSimon Baldwin <simonb@gcc.gnu.org>2008-04-26 16:59:38 +0000
commit6bfb7f1068b1ad3d3bacb4fac704994ce1b9eb9f (patch)
treebe42a70c57c4ba202b13aeb1fbbd2c1fffeb1f0f /gcc/builtins.c
parent73e8165a686cc74e51e53d28770f6064297e4c80 (diff)
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re PR c++/35652 (offset warning should be given in the front-end)
PR c/35652 * builtins.c (c_strlen): Suppressed multiple warnings that can occur with propagated string constants. From-SVN: r134714
Diffstat (limited to 'gcc/builtins.c')
-rw-r--r--gcc/builtins.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/gcc/builtins.c b/gcc/builtins.c
index 765294b..321032d 100644
--- a/gcc/builtins.c
+++ b/gcc/builtins.c
@@ -447,7 +447,12 @@ c_strlen (tree src, int only_value)
runtime. */
if (offset < 0 || offset > max)
{
- warning (0, "offset outside bounds of constant string");
+ /* Suppress multiple warnings for propagated constant strings. */
+ if (! TREE_NO_WARNING (src))
+ {
+ warning (0, "offset outside bounds of constant string");
+ TREE_NO_WARNING (src) = 1;
+ }
return NULL_TREE;
}