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| author | Simon Baldwin <simonb@google.com> | 2008-04-26 16:59:38 +0000 |
|---|---|---|
| committer | Simon Baldwin <simonb@gcc.gnu.org> | 2008-04-26 16:59:38 +0000 |
| commit | 6bfb7f1068b1ad3d3bacb4fac704994ce1b9eb9f (patch) | |
| tree | be42a70c57c4ba202b13aeb1fbbd2c1fffeb1f0f | |
| parent | 73e8165a686cc74e51e53d28770f6064297e4c80 (diff) | |
| download | gcc-6bfb7f1068b1ad3d3bacb4fac704994ce1b9eb9f.zip gcc-6bfb7f1068b1ad3d3bacb4fac704994ce1b9eb9f.tar.gz gcc-6bfb7f1068b1ad3d3bacb4fac704994ce1b9eb9f.tar.bz2 | |
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
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/builtins.c | 7 |
2 files changed, 12 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 843a2e2..6453c50 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2008-04-26 Simon Baldwin <simonb@google.com> + + PR c/35652 + * builtins.c (c_strlen): Suppressed multiple warnings that can occur + with propagated string constants. + 2008-04-26 Uros Bizjak <ubizjak@gmail.com> * config/i386/i386.md (fix_trunc<mode>_i387_fisttp_with_temp): Use 'X' 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; } |