PR tree-optimization/19484

	* tree-cfg.c (remove_fallthru_edge): New function.
	(cleanup_control_flow): Remove fallthru edges from calls that are
	now known not to return.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@94070 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 12 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.c-torture/compile/20050122-1.c b/gcc/testsuite/gcc.c-torture/compile/20050122-1.c
new file mode 100644
index 00000000000..a70907d9051
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/compile/20050122-1.c
@@ -0,0 +1,12 @@
+/* From PR 19484.  */
+extern void foo (void) __attribute__((noreturn));
+int n;
+
+void
+g (void)
+{
+  void (*f) (void) = foo;
+  if (n)
+    f ();
+  n = 1;
+}