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[Bug c++/70353] [5/6 regression] ICE on __PRETTY_FUNCTION__ in a constexpr function


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70353

--- Comment #12 from Jason Merrill <jason at gcc dot gnu.org> ---
Author: jason
Date: Fri Mar 25 21:29:26 2016
New Revision: 234484

URL: https://gcc.gnu.org/viewcvs?rev=234484&root=gcc&view=rev
Log:
        PR c++/64266
        PR c++/70353
        Core issue 1962
        * decl.c (cp_fname_init): Decay the initializer to pointer.
        (cp_make_fname_decl): Set DECL_DECLARED_CONSTEXPR_P,
        DECL_VALUE_EXPR, DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P.
        Don't call cp_finish_decl.
        * pt.c (tsubst_expr) [DECL_EXPR]: Set DECL_VALUE_EXPR,
        DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P.  Don't call cp_finish_decl.
        * constexpr.c (cxx_eval_constant_expression) [VAR_DECL]:
        Handle DECL_VALUE_EXPR.

Added:
    trunk/gcc/testsuite/g++.dg/cpp0x/constexpr-__func__2.C
    trunk/gcc/testsuite/g++.dg/ext/fnname5.C
Removed:
    trunk/gcc/testsuite/g++.old-deja/g++.ext/pretty4.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/constexpr.c
    trunk/gcc/cp/decl.c
    trunk/gcc/cp/pt.c

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