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authorJakub Jelinek <jakub@redhat.com>2016-06-21 08:59:33 +0200
committerJakub Jelinek <jakub@gcc.gnu.org>2016-06-21 08:59:33 +0200
commit0ad84f34fc91885b187c302c8abf1dd6bae4a671 (patch)
treee44c3058192b42758cc768621ec38577922dc5f1 /gcc/testsuite
parente71e8d944ff47afe91ed2610d71b1a11f85f93c5 (diff)
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re PR tree-optimization/71588 (ICE on valid code at -O2 and -O3 on x86_64-linux-gnu: in execute_todo, at passes.c:2009)
PR tree-optimization/71588 * tree-ssa-strlen.c (valid_builtin_call): New function. (adjust_last_stmt, handle_builtin_memset, strlen_optimize_stmt): Use it. * gcc.dg/pr71558.c: New test. From-SVN: r237628
Diffstat (limited to 'gcc/testsuite')
-rw-r--r--gcc/testsuite/ChangeLog5
-rw-r--r--gcc/testsuite/gcc.dg/pr71558.c17
2 files changed, 22 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index a968cd4..0f6fe94 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2016-06-21 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/71588
+ * gcc.dg/pr71558.c: New test.
+
2016-06-21 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
* c-c++-common/pr68657-1.c: Require ptr32plus support.
diff --git a/gcc/testsuite/gcc.dg/pr71558.c b/gcc/testsuite/gcc.dg/pr71558.c
new file mode 100644
index 0000000..33a648e
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr71558.c
@@ -0,0 +1,17 @@
+/* PR tree-optimization/71588 */
+
+/* strcpy must not be pure, but make sure we don't ICE even when
+ it is declared incorrectly. */
+char *strcpy (char *, const char *) __attribute__ ((__pure__));
+__SIZE_TYPE__ strlen (const char *);
+void *malloc (__SIZE_TYPE__);
+
+char a[20];
+
+char *
+foo (void)
+{
+ __SIZE_TYPE__ b = strlen (a);
+ char *c = malloc (b);
+ return strcpy (c, a);
+}