From: Jason Merrill <jason@redhat.com>
Date: Fri, 5 Feb 2016 17:52:07 +0000 (-0500)
Subject: Make issues similar to PR c++/68948 fail loudly.
X-Git-Tag: basepoints/gcc-7~1079
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=r6-6795-g0fd9d4921f7ba2;p=thirdparty%2Fgcc.git

Make issues similar to PR c++/68948 fail loudly.

	* semantics.c (finish_expr_stmt): If expr is error_mark_node,
	make sure we've seen_error().

From-SVN: r233183
---

diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index 74e7cb17c0c7..a7f2b34e4250 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,9 @@
+2016-02-05  Jason Merrill  <jason@redhat.com>
+
+	PR c++/68948
+	* semantics.c (finish_expr_stmt): If expr is error_mark_node,
+	make sure we've seen_error().
+
 2016-02-05  Patrick Palka  <ppalka@gcc.gnu.org>
 
 	PR c++/68948
diff --git a/gcc/cp/semantics.c b/gcc/cp/semantics.c
index 95c4f19f84a1..c9f9db4d4108 100644
--- a/gcc/cp/semantics.c
+++ b/gcc/cp/semantics.c
@@ -673,6 +673,9 @@ finish_expr_stmt (tree expr)
 
   if (expr != NULL_TREE)
     {
+      /* If we ran into a problem, make sure we complained.  */
+      gcc_assert (expr != error_mark_node || seen_error ());
+
       if (!processing_template_decl)
 	{
 	  if (warn_sequence_point)