1 files changed, 21 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/compile/20031220-1.c b/gcc/testsuite/gcc.c-torture/compile/20031220-1.c
new file mode 100644
index 000000000..026a2687f
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/compile/20031220-1.c
@@ -0,0 +1,21 @@
+/* PR optimization/13031  */
+/* The following code used to ICE on alphaev67-*-* at -O2 with an
+   unrecognizable instruction, caused by local register allocation
+   substituting a register for a constant in a conditional branch.  */
+
+void emit(int, int);
+int f(void);
+static int signals[5];
+
+static inline void select(int sel, void *klass)
+{
+  emit(klass ? 0 : f(), signals[sel ? 0 : 1]);
+}
+
+void all(void *gil, void *l, void *icon)
+{
+  while (l)
+    if (icon)
+      select(0, gil);
+}
+