https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104395
Bug ID: 104395
Summary: alignof is a C++11 feature.
src/c++98/bitmap_allocator.cc???
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: libstdc++
Assignee: unassigned at gcc dot gnu.org
Reporter: unlvsur at live dot com
Target Milestone: ---
https://github.com/gcc-mirror/gcc/blob/master/libstdc%2B%2B-v3/src/c%2B%2B98/bitmap_allocator.cc
https://github.com/gcc-mirror/gcc/blob/master/libstdc%2B%2B-v3/include/ext/bitmap_allocator.h
clang provides the option -faligned-allocation. It would define that macro even
in C++98 mode. Probably we need to detect whether __cplusplus >= 201103L?
/home/cqwrteur/myhome/gcc_build/native/wasm32-wasi/libstdc++-v3/include/ext/bitmap_allocator.h:1047:18:
error: unexpected type name 'value_type': expected expression
if (alignof(value_type) > __STDCPP_DEFAULT_NEW_ALIGNMENT__)
^
