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| author | Richard Biener <rguenther@suse.de> | 2014-07-14 11:12:29 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2014-07-14 11:12:29 +0000 |
| commit | 3b57ff81e6246551d6eb563ff2981027db9e6205 (patch) | |
| tree | 1224b0514bcf69e54a5754f19ee0c65688d07e7c /gcc | |
| parent | 406bfdd39f8aa628eefdf1fcc36348091f1f7a6c (diff) | |
| download | gcc-3b57ff81e6246551d6eb563ff2981027db9e6205.zip gcc-3b57ff81e6246551d6eb563ff2981027db9e6205.tar.gz gcc-3b57ff81e6246551d6eb563ff2981027db9e6205.tar.bz2 | |
builtins.c (c_strlen): Make only_value == 2 really only affect warning generation.
2014-07-14 Richard Biener <rguenther@suse.de>
* builtins.c (c_strlen): Make only_value == 2 really only
affect warning generation.
From-SVN: r212514
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/builtins.c | 6 |
2 files changed, 8 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 43f871f..04cece4 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,10 @@ 2014-07-14 Richard Biener <rguenther@suse.de> + * builtins.c (c_strlen): Make only_value == 2 really only + affect warning generation. + +2014-07-14 Richard Biener <rguenther@suse.de> + PR tree-optimization/61757 PR tree-optimization/61783 PR tree-optimization/61787 diff --git a/gcc/builtins.c b/gcc/builtins.c index cc94302..03d1dca 100644 --- a/gcc/builtins.c +++ b/gcc/builtins.c @@ -610,11 +610,11 @@ c_strlen (tree src, int only_value) /* If the offset is known to be out of bounds, warn, and call strlen at runtime. */ - if (only_value != 2 - && (offset < 0 || offset > max)) + if (offset < 0 || offset > max) { /* Suppress multiple warnings for propagated constant strings. */ - if (! TREE_NO_WARNING (src)) + if (only_value != 2 + && !TREE_NO_WARNING (src)) { warning_at (loc, 0, "offset outside bounds of constant string"); TREE_NO_WARNING (src) = 1; |