aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorRichard Biener <rguenther@suse.de>2023-02-21 10:31:29 +0100
committerRichard Biener <rguenther@suse.de>2023-02-21 10:33:15 +0100
commite79b9db15e410c4652438ffbbc44b6aa04e1ba61 (patch)
tree950eb79cc72e9fb6f7f97666d4137bf20a9b5935
parent19ec4092a74821055d3bd61023b3bc2bd1ec4f10 (diff)
downloadgcc-e79b9db15e410c4652438ffbbc44b6aa04e1ba61.zip
gcc-e79b9db15e410c4652438ffbbc44b6aa04e1ba61.tar.gz
gcc-e79b9db15e410c4652438ffbbc44b6aa04e1ba61.tar.bz2
tree-optimization/108855 - new testcase
New testcase for the fixed bug. PR tree-optimization/108855 * gcc.dg/pr108855.c: New testcase.
-rw-r--r--gcc/testsuite/gcc.dg/pr108855.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pr108855.c b/gcc/testsuite/gcc.dg/pr108855.c
new file mode 100644
index 0000000..f79638f
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr108855.c
@@ -0,0 +1,23 @@
+/* { dg-do compile } */
+/* { dg-options "-O1" } */
+
+int m;
+
+int
+undefined (int);
+
+__attribute__ ((pure, returns_twice)) int
+bar (void)
+{
+ m = 1;
+ while (m)
+ m = 2;
+
+ return m;
+}
+
+int
+foo (void)
+{
+ return undefined (bar ());
+}