[Bug c++/70106] [4.9/5/6 Regression][C++11 or above] adding parenthesis [cerr << (var)] cause error: invalid static_cast from type 'const size_t {aka const long unsigned int}' to type 'size_t& {aka long unsigned int&}'

[ppalka at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70106

--- Comment #5 from Patrick Palka <ppalka at gcc dot gnu.org> ---
Author: ppalka
Date: Sat Mar 12 02:05:17 2016
New Revision: 234159

URL: https://gcc.gnu.org/viewcvs?rev=234159&root=gcc&view=rev
Log:
Fix PR c++/70106 (type of parenthesized qualified-id has wrong cv-qualifiers)

gcc/cp/ChangeLog:

        PR c++/70106
        * semantics.c (force_paren_expr): Just build a PAREN_EXPR when
        processing_template_decl and EXPR is a SCOPE_REF.

gcc/testsuite/ChangeLog:

        PR c++/70106
        * g++.dg/cpp1y/paren3.C: New test.


Added:
    trunk/gcc/testsuite/g++.dg/cpp1y/paren3.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/semantics.c
    trunk/gcc/testsuite/ChangeLog