[Bug other/59195] C++ demangler handles conversion operator incorrectly

[ccoutant at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59195

--- Comment #2 from Cary Coutant <ccoutant at gcc dot gnu.org> ---
Author: ccoutant
Date: Fri Nov 22 22:25:49 2013
New Revision: 205292

URL: http://gcc.gnu.org/viewcvs?rev=205292&root=gcc&view=rev
Log:
Fix demangler to handle conversion operators correctly.

libiberty/
    PR other/59195
    * cp-demangle.c (struct d_info_checkpoint): New struct.
    (struct d_print_info): Add current_template field.
    (d_operator_name): Set flag when processing a conversion
    operator.
    (cplus_demangle_type): When processing <template-args> for
    a conversion operator, backtrack if necessary.
    (d_expression_1): Renamed from d_expression.
    (d_expression): New wrapper around d_expression_1.
    (d_checkpoint): New function.
    (d_backtrack): New function.
    (d_print_init): Initialize current_template.
    (d_print_comp): Set current_template.
    (d_print_cast): Put current_template in scope for
    printing conversion operator name.
    (cplus_demangle_init_info): Initialize is_expression and
    is_conversion.
    * cp-demangle.h (struct d_info): Add is_expression and
    is_conversion fields.
    * testsuite/demangle-expected: New test cases.

Modified:
    trunk/libiberty/ChangeLog
    trunk/libiberty/cp-demangle.c
    trunk/libiberty/cp-demangle.h
    trunk/libiberty/testsuite/demangle-expected