1 files changed, 11 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/compile/pr12899.c b/gcc/testsuite/gcc.c-torture/compile/pr12899.c
new file mode 100644
index 000000000..6bd4724fd
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/compile/pr12899.c
@@ -0,0 +1,11 @@
+/*  PR tree-optimization/12899  */
+
+void
+bb_getopt_ulflags (char *s)
+{
+  for (;;)
+    if (s[1])
+      do
+	s++;
+      while (*s);
+}