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authorMartin Sebor <msebor@redhat.com>2018-08-29 17:17:08 +0000
committerJeff Law <law@gcc.gnu.org>2018-08-29 11:17:08 -0600
commite84bf0ef66aa72228299dd92d342c4de3a37c55c (patch)
treefa06d2fdd65f07a2e2f5dc933d8166e57ae93a5e /gcc/tree-ssa-strlen.c
parentb9a0baa9f941537de5ea2c431830a8da33692d88 (diff)
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re PR middle-end/86714 (tree-ssa-forwprop.c confused by too long initializer)
PR tree-optimization/86714 PR tree-optimization/86711 * builtins.c (c_strlen): Add arguments to call to string_constant. * expr.c (string_constant): Add argument. Detect missing nul terminator and outermost declaration it's missing in. * expr.h (string_constant): Add argument. * fold-const.c (read_from_constant_string): Add arguments to call to string_constant. (c_getstr): Likewise. * tree-ssa-forwprop.c (simplify_builtin_call): Likewise. to string_constant. * tree-ssa-strlen.c (get_stridx): Likewise. PR tree-optimization/86714 PR tree-optimization/86711 * gcc.c-torture/execute/memchr-1.c: New test. * gcc.c-torture/execute/pr86714.c: New test. * gcc.c-torture/execute/widechar-3.c: New test. * gcc.dg/strlenopt-58.c: New test. Co-Authored-By: Bernd Edlinger <bernd.edlinger@hotmail.de> Co-Authored-By: Jeff Law <law@redhat.com> From-SVN: r263963
Diffstat (limited to 'gcc/tree-ssa-strlen.c')
-rw-r--r--gcc/tree-ssa-strlen.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/tree-ssa-strlen.c b/gcc/tree-ssa-strlen.c
index 84e6152..d625b94 100644
--- a/gcc/tree-ssa-strlen.c
+++ b/gcc/tree-ssa-strlen.c
@@ -336,7 +336,7 @@ get_stridx (tree exp)
return idx;
}
- s = string_constant (exp, &o);
+ s = string_constant (exp, &o, NULL, NULL);
if (s != NULL_TREE
&& (o == NULL_TREE || tree_fits_shwi_p (o))
&& TREE_STRING_LENGTH (s) > 0)