From 50aa16c38821e9cba4fabf6ca4b601b34b84a9c8 Mon Sep 17 00:00:00 2001
From: Jakub Jelinek <jakub@redhat.com>
Date: Thu, 10 Aug 2017 02:33:20 +0200
Subject: re PR c/81687 (Compiler drops label in OpenMP region)

	PR c/81687
	* omp-low.c (omp_copy_decl): Don't remap FORCED_LABEL or DECL_NONLOCAL
	LABEL_DECLs.
	* tree-cfg.c (move_stmt_op): Don't adjust DECL_CONTEXT of FORCED_LABEL
	or DECL_NONLOCAL labels.
	(move_stmt_r) <case GIMPLE_LABEL>: Adjust DECL_CONTEXT of FORCED_LABEL
	or DECL_NONLOCAL labels here.

	* testsuite/libgomp.c/pr81687-1.c: New test.
	* testsuite/libgomp.c/pr81687-2.c: New test.

From-SVN: r251019
---
 libgomp/testsuite/libgomp.c/pr81687-1.c | 23 +++++++++++++++++++++++
 libgomp/testsuite/libgomp.c/pr81687-2.c | 27 +++++++++++++++++++++++++++
 2 files changed, 50 insertions(+)
 create mode 100644 libgomp/testsuite/libgomp.c/pr81687-1.c
 create mode 100644 libgomp/testsuite/libgomp.c/pr81687-2.c

(limited to 'libgomp/testsuite/libgomp.c')

diff --git a/libgomp/testsuite/libgomp.c/pr81687-1.c b/libgomp/testsuite/libgomp.c/pr81687-1.c
new file mode 100644
index 0000000..768ec44
--- /dev/null
+++ b/libgomp/testsuite/libgomp.c/pr81687-1.c
@@ -0,0 +1,23 @@
+/* PR c/81687 */
+/* { dg-do link } */
+/* { dg-additional-options "-O2" } */
+
+extern int printf (const char *, ...);
+
+int
+main ()
+{
+  #pragma omp parallel
+  {
+   lab1:
+    printf ("lab1=%p\n", (void *)(&&lab1));
+  }
+ lab2:
+  #pragma omp parallel
+  {
+   lab3:
+    printf ("lab2=%p\n", (void *)(&&lab2));
+  }
+  printf ("lab3=%p\n", (void *)(&&lab3));
+  return 0;
+}
diff --git a/libgomp/testsuite/libgomp.c/pr81687-2.c b/libgomp/testsuite/libgomp.c/pr81687-2.c
new file mode 100644
index 0000000..e819f76
--- /dev/null
+++ b/libgomp/testsuite/libgomp.c/pr81687-2.c
@@ -0,0 +1,27 @@
+/* PR c/81687 */
+/* { dg-do link } */
+/* { dg-additional-options "-O2" } */
+
+int
+main ()
+{
+  __label__ lab4, lab5, lab6;
+  volatile int l = 0;
+  int m = l;
+  void foo (int x) { if (x == 1) goto lab4; }
+  void bar (int x) { if (x == 2) goto lab5; }
+  void baz (int x) { if (x == 3) goto lab6; }
+  #pragma omp parallel
+  {
+    foo (m + 1);
+   lab4:;
+  }
+  #pragma omp task
+  {
+    bar (m + 2);
+   lab5:;
+  }
+  baz (m + 3);
+ lab6:;
+  return 0;
+}
-- 
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