From: Volker Reichelt <reichelt@igpm.rwth-aachen.de>
Date: Mon, 22 May 2006 19:22:24 +0000 (+0000)
Subject: re PR c++/27716 (ICE with invalid assignment)
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=1bd229b76d79228d76f15fb7c450e5462503d133;p=gcc.git

re PR c++/27716 (ICE with invalid assignment)

	PR c++/27716
	* typeck.c (build_modify_expr): Test arguments for error_operand_p.

	* g++.dg/other/assign1.C: New test.

From-SVN: r113990
---

diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index 28ee03321ac..4cfa8277d67 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,5 +1,8 @@
 2006-05-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
 
+	PR c++/27716
+	* typeck.c (build_modify_expr): Test arguments for error_operand_p.
+
 	* decl.c (grokdeclarator): Return error_mark_node instead of NULL_TREE.
 
 2006-05-21  Mark Mitchell  <mark@codesourcery.com>
diff --git a/gcc/cp/typeck.c b/gcc/cp/typeck.c
index 93d6c22698f..5ee2ba19373 100644
--- a/gcc/cp/typeck.c
+++ b/gcc/cp/typeck.c
@@ -5502,7 +5502,7 @@ build_modify_expr (tree lhs, enum tree_code modifycode, tree rhs)
   bool plain_assign = (modifycode == NOP_EXPR);
 
   /* Avoid duplicate error messages from operands that had errors.  */
-  if (lhs == error_mark_node || rhs == error_mark_node)
+  if (error_operand_p (lhs) || error_operand_p (rhs))
     return error_mark_node;
 
   /* Handle control structure constructs used as "lvalues".  */
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 79ec93c6995..8b284e8313b 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2006-05-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
+
+	PR c++/27716
+	* g++.dg/other/assign1.C: New test.
+
 2006-05-22  Kazu Hirata  <kazu@codesourcery.com>
 
 	PR target/27266
diff --git a/gcc/testsuite/g++.dg/other/assign1.C b/gcc/testsuite/g++.dg/other/assign1.C
new file mode 100644
index 00000000000..1983680dd7b
--- /dev/null
+++ b/gcc/testsuite/g++.dg/other/assign1.C
@@ -0,0 +1,7 @@
+// PR c++/27716
+// { dg-do compile }
+
+int foo()
+{
+  return i ""= i;  // { dg-error "not declared|string constant" }
+}