Merge up to 277354.

	* REVISION: Update subversion id.


git-svn-id: https://gcc.gnu.org/svn/gcc/branches/ibm/gcc-8-branch@277422 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 29 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.dg/torture/pr90020.c b/gcc/testsuite/gcc.dg/torture/pr90020.c
new file mode 100644
index 00000000000..1748243852a
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/torture/pr90020.c
@@ -0,0 +1,29 @@
+/* { dg-do run } */
+/* { dg-require-weak "" } */
+/* { dg-additional-options "-Wl,-undefined,dynamic_lookup" { target *-*-darwin* } } */
+/* { dg-additional-options "-Wl,-flat_namespace" { target *-*-darwin[89]* } } */
+
+void __attribute__((noinline,noclone))
+check (int i)
+{
+  if (i == 0)
+    __builtin_exit (0);
+}
+
+int i;
+extern int x __attribute__((weak));
+
+int main(int argc, char **argv)
+{
+  if (argc)
+    {
+      check (i);
+      return x;
+    }
+  else
+    {
+      check (i);
+      return x-1;
+    }
+  return 0;
+}