[Bug c++/48562] [C++0x] warn about uses of initializer_list that will lead to dangling pointers
jason at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Tue May 29 20:05:00 GMT 2018
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=48562
--- Comment #11 from Jason Merrill <jason at gcc dot gnu.org> ---
Author: jason
Date: Tue May 29 20:04:52 2018
New Revision: 260905
URL: https://gcc.gnu.org/viewcvs?rev=260905&root=gcc&view=rev
Log:
PR c++/67445 - returning temporary initializer_list.
PR c++/67711 - assigning from temporary initializer_list.
PR c++/48562 - new initializer_list.
* typeck.c (maybe_warn_about_returning_address_of_local): Also warn
about returning local initializer_list.
* cp-tree.h (AUTO_TEMP_NAME, TEMP_NAME_P): Remove.
* call.c (build_over_call): Warn about assignment from temporary
init_list.
* init.c (build_new_1): Warn about 'new std::initializer_list'.
(find_list_begin, maybe_warn_list_ctor): New.
(perform_member_init): Use maybe_warn_list_ctor.
Added:
trunk/gcc/testsuite/g++.dg/warn/Winit-list1.C
trunk/gcc/testsuite/g++.dg/warn/Winit-list2.C
trunk/gcc/testsuite/g++.dg/warn/Winit-list3.C
Modified:
trunk/gcc/c-family/ChangeLog
trunk/gcc/c-family/c.opt
trunk/gcc/cp/ChangeLog
trunk/gcc/cp/call.c
trunk/gcc/cp/cp-tree.h
trunk/gcc/cp/init.c
trunk/gcc/cp/typeck.c
trunk/gcc/doc/invoke.texi
trunk/gcc/testsuite/c-c++-common/pr43395.c
trunk/gcc/testsuite/g++.dg/cpp1y/pr77591.C
trunk/gcc/testsuite/g++.dg/warn/Wreturn-local-addr.C
trunk/gcc/testsuite/g++.dg/warn/return-reference2.C
trunk/gcc/testsuite/g++.old-deja/g++.bob/array1.C
trunk/gcc/testsuite/g++.old-deja/g++.brendan/crash55.C
trunk/libstdc++-v3/testsuite/util/testsuite_random.h
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