[gcc r12-5446] openmp: Handle OMP_MASKED in potential_constant_expression_1 [PR103349]

[Jakub Jelinek <jakub@gcc.gnu.org>]

https://gcc.gnu.org/g:4b1e14346a08554dc33f71fca980578a7a3e38a2

commit r12-5446-g4b1e14346a08554dc33f71fca980578a7a3e38a2
Author: Jakub Jelinek <jakub@redhat.com>
Date:   Mon Nov 22 10:13:24 2021 +0100

    openmp: Handle OMP_MASKED in potential_constant_expression_1 [PR103349]
    
    WHen adding OMP_MASKED, I apparently forgot to handle it in
    potential_constant_expression_1, which means we can ICE on it.
    
    2021-11-22  Jakub Jelinek  <jakub@redhat.com>
    
            PR c++/103349
            * constexpr.c (potential_constant_expression_1): Punt on OMP_MASKED.
    
            * g++.dg/gomp/masked-1.C: New test.

Diff:
---
 gcc/cp/constexpr.c                   |  1 +
 gcc/testsuite/g++.dg/gomp/masked-1.C | 14 ++++++++++++++
 2 files changed, 15 insertions(+)

diff --git a/gcc/cp/constexpr.c b/gcc/cp/constexpr.c
index c8f9d5fa133..d66a56583ae 100644
--- a/gcc/cp/constexpr.c
+++ b/gcc/cp/constexpr.c
@@ -8686,6 +8686,7 @@ potential_constant_expression_1 (tree t, bool want_rval, bool strict, bool now,
     case OMP_SINGLE:
     case OMP_SECTION:
     case OMP_MASTER:
+    case OMP_MASKED:
     case OMP_TASKGROUP:
     case OMP_TARGET_UPDATE:
     case OMP_TARGET_ENTER_DATA:
diff --git a/gcc/testsuite/g++.dg/gomp/masked-1.C b/gcc/testsuite/g++.dg/gomp/masked-1.C
new file mode 100644
index 00000000000..1ea4a13fa23
--- /dev/null
+++ b/gcc/testsuite/g++.dg/gomp/masked-1.C
@@ -0,0 +1,14 @@
+// PR c++/103349
+// { dg-do compile { target c++11 } }
+
+int v;
+
+void
+foo (int x, int y)
+{
+  [=] ()
+  {
+#pragma omp masked
+    v = x + y;
+  } ();
+}