PR tree-optimization/20076

	* tree-inline.c (inline_forbidden_p_1): Prevent inlining functions
	that call __builtin_return or __builtin_apply_args.

	* gcc.dg/builtin-apply4.c: New test.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@97653 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 30 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.dg/builtin-apply4.c b/gcc/testsuite/gcc.dg/builtin-apply4.c
new file mode 100644
index 00000000000..289694e3c1b
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/builtin-apply4.c
@@ -0,0 +1,30 @@
+/* PR tree-optimization/20076 */
+/* { dg-options "-O2" } */
+/* { dg-do run } */
+
+extern void abort (void);
+
+double
+foo (int arg)
+{
+  if (arg != 116)
+    abort();
+  return arg + 1;
+}
+
+inline double
+bar (int arg)
+{
+  foo (arg);
+  __builtin_return (__builtin_apply ((void (*) ()) foo,
+				     __builtin_apply_args (), 16));
+}
+
+int
+main (int argc, char **argv)
+{
+  if (bar (116) != 117.0)
+    abort ();
+
+  return 0;
+}