Fix PR rtl-optimization/34999

From-SVN: r132711

1 files changed, 45 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.dg/tree-prof/pr34999.c b/gcc/testsuite/gcc.dg/tree-prof/pr34999.c
new file mode 100644
index 0000000..4ec4279
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-prof/pr34999.c
@@ -0,0 +1,45 @@
+/* Same test as built-in-setjmp.c.  Includes the case where
+   the source block of a crossing fallthru edge ends with a call.  */
+/* { dg-require-effective-target freorder } */
+/* { dg-options "-O2 -freorder-blocks-and-partition" } */
+
+extern int strcmp(const char *, const char *);
+extern char *strcpy(char *, const char *);
+extern void abort(void);
+extern void exit(int);
+
+void *buf[20];
+
+void __attribute__((noinline))
+sub2 (void)
+{
+  __builtin_longjmp (buf, 1);
+}
+
+int
+main ()
+{
+  char *p = (char *) __builtin_alloca (20);
+
+  strcpy (p, "test");
+
+  if (__builtin_setjmp (buf))
+    {
+      if (strcmp (p, "test") != 0)
+	abort ();
+
+      exit (0);
+    }
+
+  {
+    int *q = (int *) __builtin_alloca (p[2] * sizeof (int));
+    int i;
+    
+    for (i = 0; i < p[2]; i++)
+      q[i] = 0;
+
+    while (1)
+      sub2 ();
+  }
+}
+