From: Eric Botcazou <ebotcazou@adacore.com>
Date: Wed, 26 May 2021 07:51:36 +0000 (+0200)
Subject: Fix C++ libgomp regressions
X-Git-Tag: basepoints/gcc-13~7249
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=a0d371a25148d113f7c3657f36fbf7dcb5e1f63d;p=thirdparty%2Fgcc.git

Fix C++ libgomp regressions

This is only a stopgap fix.

gcc/
	* gimplify.c (gimplify_decl_expr): Do not clear TREE_READONLY on a
	DECL which is a reference for OMP.
---

diff --git a/gcc/gimplify.c b/gcc/gimplify.c
index ed825a93aa1b..54bf59ab9d02 100644
--- a/gcc/gimplify.c
+++ b/gcc/gimplify.c
@@ -1829,7 +1829,7 @@ gimplify_decl_expr (tree *stmt_p, gimple_seq *seq_p)
 	      gimplify_and_add (init, seq_p);
 	      ggc_free (init);
 	      /* Clear TREE_READONLY if we really have an initialization.  */
-	      if (!DECL_INITIAL (decl))
+	      if (!DECL_INITIAL (decl) && !omp_is_reference (decl))
 		TREE_READONLY (decl) = 0;
 	    }
 	  else