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C++ PATCH for c++/50059
- From: Jason Merrill <jason at redhat dot com>
- To: gcc-patches List <gcc-patches at gcc dot gnu dot org>
- Date: Sat, 13 Aug 2011 16:10:59 -0400
- Subject: C++ PATCH for c++/50059
We were failing to print MODIFY_EXPR properly. I'm surprised that
didn't turn up before now.
Tested x86_64-pc-linux-gnu, applied to trunk.
commit f8556f7a8d1bbf620edca19bd3d350ad7b82df7c
Author: Jason Merrill <jason@redhat.com>
Date: Sat Aug 13 03:01:09 2011 -0400
PR c++/50059
* error.c (dump_expr): Handle MODIFY_EXPR properly.
diff --git a/gcc/cp/error.c b/gcc/cp/error.c
index 3374488..48c0593 100644
--- a/gcc/cp/error.c
+++ b/gcc/cp/error.c
@@ -1868,6 +1868,10 @@ dump_expr (tree t, int flags)
case INIT_EXPR:
case MODIFY_EXPR:
+ dump_binary_op (assignment_operator_name_info[(int)NOP_EXPR].name,
+ t, flags);
+ break;
+
case PLUS_EXPR:
case MINUS_EXPR:
case MULT_EXPR:
diff --git a/gcc/testsuite/g++.dg/diagnostic/expr1.C b/gcc/testsuite/g++.dg/diagnostic/expr1.C
new file mode 100644
index 0000000..5651030
--- /dev/null
+++ b/gcc/testsuite/g++.dg/diagnostic/expr1.C
@@ -0,0 +1,9 @@
+// PR c++/50059
+
+int i;
+struct A { };
+void f(A);
+void g()
+{
+ f(i = 0); // { dg-error "i = 0" }
+}