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C++ PATCH for c++/48284 (-> instead of . in error message)
- From: Jason Merrill <jason at redhat dot com>
- To: gcc-patches List <gcc-patches at gcc dot gnu dot org>
- Date: Fri, 27 May 2011 15:26:31 -0400
- Subject: C++ PATCH for c++/48284 (-> instead of . in error message)
We already handle reference refs properly elsewhere, but needed to
handle it here as well.
Tested x86_64-pc-linux-gnu, applying to trunk.
commit 1e9af8c4d3c615f04f456306587959cdd6c49c26
Author: Jason Merrill <jason@redhat.com>
Date: Fri May 27 10:54:40 2011 -0400
PR c++/48284
* error.c (dump_expr) [COMPONENT_REF]: Use pp_cxx_dot
with INDIRECT_REF of REFERENCE_TYPE.
diff --git a/gcc/cp/error.c b/gcc/cp/error.c
index 8d7aaa7..a40630a 100644
--- a/gcc/cp/error.c
+++ b/gcc/cp/error.c
@@ -1890,7 +1890,10 @@ dump_expr (tree t, int flags)
&& strcmp (IDENTIFIER_POINTER (DECL_NAME (ob)), "this")))
{
dump_expr (ob, flags | TFF_EXPR_IN_PARENS);
- pp_cxx_arrow (cxx_pp);
+ if (TREE_CODE (TREE_TYPE (ob)) == REFERENCE_TYPE)
+ pp_cxx_dot (cxx_pp);
+ else
+ pp_cxx_arrow (cxx_pp);
}
}
else
diff --git a/gcc/testsuite/g++.dg/cpp0x/error6.C b/gcc/testsuite/g++.dg/cpp0x/error6.C
new file mode 100644
index 0000000..482aafb
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp0x/error6.C
@@ -0,0 +1,9 @@
+// PR c++/48284
+// { dg-options -std=c++0x }
+
+template<typename C>
+auto g(C& c) -> decltype (c.f()) { return c.f(); } // { dg-error "decltype .c\\.f" }
+
+template<typename C>
+auto g(C& c) -> decltype (c.f()) { return c.f(); } // { dg-error "decltype .c\\.f" }
+