1 files changed, 22 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.c-torture/compile/20020715-1.c b/gcc-4.9/gcc/testsuite/gcc.c-torture/compile/20020715-1.c
new file mode 100644
index 000000000..5294133f3
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.c-torture/compile/20020715-1.c
@@ -0,0 +1,22 @@
+/* PR optimization/7153 */
+/* Verify that GCC doesn't promote a register when its
+   lifetime is not limited to one basic block. */
+
+void f(char);
+void g(void);
+
+void scale(void)
+{
+  int width;
+  char bytes;
+  char *src;
+
+  if (width)
+  {
+    bytes = *src;
+    g();
+    width *= bytes;
+  }
+
+  f(bytes);
+}