[Bug c++/68948] G++ voluntarily removes a function call with terrible side effects

[ppalka at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68948

--- Comment #10 from Patrick Palka <ppalka at gcc dot gnu.org> ---
Author: ppalka
Date: Fri Feb  5 14:36:44 2016
New Revision: 233176

URL: https://gcc.gnu.org/viewcvs?rev=233176&root=gcc&view=rev
Log:
Fix PR c++/68948 (wrong code generation due to invalid constructor call)

gcc/cp/ChangeLog:

        PR c++/68948
        * pt.c (tsubst_baselink): Diagnose an invalid constructor call
        if lookup_fnfields returns NULL_TREE and the name being looked
        up has the form A::A.

gcc/testsuite/ChangeLog:

        PR c++/68948
        * g++.dg/template/pr68948.C: New test.


Added:
    trunk/gcc/testsuite/g++.dg/template/pr68948.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/pt.c
    trunk/gcc/testsuite/ChangeLog