From: Jakub Jelinek <jakub@redhat.com>
Date: Fri, 21 Jun 2019 06:46:45 +0000 (+0200)
Subject: re PR c++/90950 (OpenMP clause handling rejecting references to incomplete types... 
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=e73fb06d5a1386fe0a18285d52bcc7865a13a84c;p=gcc.git

re PR c++/90950 (OpenMP clause handling rejecting references to incomplete types in templates)

	PR c++/90950
	* semantics.c (finish_omp_clauses): Don't reject references to
	incomplete types if processing_template_decl.

	* g++.dg/gomp/lastprivate-1.C: New test.

From-SVN: r272543
---

diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index 5b659269b1f..c958318abe7 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,9 @@
+2019-06-21  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/90950
+	* semantics.c (finish_omp_clauses): Don't reject references to
+	incomplete types if processing_template_decl.
+
 2019-06-19  Marek Polacek  <polacek@redhat.com>
 
 	PR c++/60364 - noreturn after first decl not diagnosed.
diff --git a/gcc/cp/semantics.c b/gcc/cp/semantics.c
index 6cf3af71c21..92c48753d42 100644
--- a/gcc/cp/semantics.c
+++ b/gcc/cp/semantics.c
@@ -7831,7 +7831,8 @@ finish_omp_clauses (tree clauses, enum c_omp_region_type ort)
 	  t = require_complete_type (t);
 	  if (t == error_mark_node)
 	    remove = true;
-	  else if (TYPE_REF_P (TREE_TYPE (t))
+	  else if (!processing_template_decl
+		   && TYPE_REF_P (TREE_TYPE (t))
 		   && !complete_type_or_else (TREE_TYPE (TREE_TYPE (t)), t))
 	    remove = true;
 	}
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 221fb691a12..ab8cc800dd5 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,5 +1,8 @@
 2019-06-21  Jakub Jelinek  <jakub@redhat.com>
 
+	PR c++/90950
+	* g++.dg/gomp/lastprivate-1.C: New test.
+
 	* gcc.dg/vect/vect-simd-11.c: New test.
 	* gcc.target/i386/sse2-vect-simd-11.c: New test.
 	* gcc.target/i386/avx2-vect-simd-11.c: New test.
diff --git a/gcc/testsuite/g++.dg/gomp/lastprivate-1.C b/gcc/testsuite/g++.dg/gomp/lastprivate-1.C
new file mode 100644
index 00000000000..ce25e1a6b90
--- /dev/null
+++ b/gcc/testsuite/g++.dg/gomp/lastprivate-1.C
@@ -0,0 +1,16 @@
+// PR c++/90950
+// { dg-do compile }
+
+template <typename T>
+T
+foo (void)
+{
+  T y = 0;
+  T &x = y;
+  #pragma omp parallel for lastprivate (x)
+  for (int i = 0; i < 8; ++i)
+    x = i;
+  return x;
+}
+
+int a = foo<int> ();