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-rw-r--r--gcc-4.9/gcc/testsuite/gcc.c-torture/compile/20020605-1.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.c-torture/compile/20020605-1.c b/gcc-4.9/gcc/testsuite/gcc.c-torture/compile/20020605-1.c
new file mode 100644
index 000000000..960a4be7e
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.c-torture/compile/20020605-1.c
@@ -0,0 +1,17 @@
+/* This testcase caused on IA-32 -O2 endless loop in
+ merge_blocks when trying to merge a basic block
+ with itself. */
+
+void f (void)
+{
+ char *c;
+ do
+ {
+ if (c)
+ break;
+ }
+ while (1);
+ if (!c)
+ while (1)
+ f ();
+}