* [PATCH] tree-optimization/108855 - new testcase
@ 2023-02-21 9:32 Richard Biener
0 siblings, 0 replies; only message in thread
From: Richard Biener @ 2023-02-21 9:32 UTC (permalink / raw)
To: gcc-patches
New testcase for the fixed bug.
Pushed.
PR tree-optimization/108855
* gcc.dg/pr108855.c: New testcase.
---
gcc/testsuite/gcc.dg/pr108855.c | 23 +++++++++++++++++++++++
1 file changed, 23 insertions(+)
create mode 100644 gcc/testsuite/gcc.dg/pr108855.c
diff --git a/gcc/testsuite/gcc.dg/pr108855.c b/gcc/testsuite/gcc.dg/pr108855.c
new file mode 100644
index 00000000000..f79638f692f
--- /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 ());
+}
--
2.35.3
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