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-rw-r--r--gcc/testsuite/gcc.dg/pr46685.c40
1 files changed, 40 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pr46685.c b/gcc/testsuite/gcc.dg/pr46685.c
new file mode 100644
index 000000000..6277bcc2f
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr46685.c
@@ -0,0 +1,40 @@
+/* { dg-do compile } */
+/* { dg-require-effective-target freorder } */
+/* { dg-require-effective-target fpic } */
+/* { dg-options "-O2 -freorder-blocks-and-partition -fpic" } */
+
+__attribute__((noinline, noclone))
+void bar (void *x)
+{
+ asm volatile ("" : : "r" (x) : "memory");
+}
+
+__attribute__((noinline, noclone))
+void baz (void)
+{
+ asm volatile ("" : : : "memory");
+}
+
+__attribute__((noinline, noclone))
+int foo (int x)
+{
+ __label__ lab;
+ if (__builtin_expect (x, 0))
+ {
+ lab:
+ baz ();
+ return 2;
+ }
+ bar (&&lab);
+ return 1;
+}
+
+int
+main (void)
+{
+ int x, i;
+ asm volatile ("" : "=r" (x) : "0" (0));
+ for (i = 0; i < 1000000; i++)
+ foo (x);
+ return 0;
+}