[Bug c++/79228] 'i' suffix for __complex__ extension interferes with C++14 UDLs for std::complex

Fri, 01 Dec 2017 12:20:06 -0800 

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79228

--- Comment #3 from Jason Merrill <jason at gcc dot gnu.org> ---
Author: jason
Date: Fri Dec  1 20:19:07 2017
New Revision: 255335

URL: https://gcc.gnu.org/viewcvs?rev=255335&root=gcc&view=rev
Log:
        PR c++/79228 - extensions hide C++14 complex literal operators

libcpp/
        * expr.c (interpret_float_suffix): Ignore 'i' in C++14 and up.
        (interpret_int_suffix): Likewise.
gcc/cp/
        * parser.c (cp_parser_userdef_numeric_literal): Be helpful about
        'i' in C++14 and up.

Added:
    trunk/gcc/testsuite/g++.dg/cpp1y/complex_literals1.C
    trunk/gcc/testsuite/g++.dg/cpp1y/complex_literals1a.C
    trunk/gcc/testsuite/g++.dg/cpp1y/complex_literals2.C
    trunk/gcc/testsuite/g++.dg/cpp1y/complex_literals2a.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/parser.c
    trunk/gcc/testsuite/g++.dg/cpp0x/gnu_fext-numeric-literals.C
    trunk/gcc/testsuite/g++.dg/cpp0x/std_fext-numeric-literals.C
    trunk/libcpp/ChangeLog
    trunk/libcpp/expr.c

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