https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66343
--- Comment #12 from Marc Mutz <marc.mutz at kdab dot com> --- Created attachment 39768 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=39768&action=edit Preprocessed source for PCH Command line for PCH file: g++ -pipe -g -O3 -std=c++1z \ -I/usr/include/glib-2.0 \ -I/usr/lib/x86_64-linux-gnu/glib-2.0/include \ -pthread \ -fvisibility=hidden \ -fvisibility-inlines-hidden \ -fsanitize=address \ -fsanitize=undefined \ -fno-omit-frame-pointer \ -Wall \ -W \ -Wvla \ -Wdate-time \ -Wshift-overflow=2 \ -Wduplicated-cond \ -Werror \ -Wno-error=cpp \ -Wno-error=deprecated-declarations \ -Wno-error=strict-overflow \ -D_REENTRANT \ -fPIC \ -DQT_NO_USING_NAMESPACE \ -DQT_NO_FOREACH \ -DELF_INTERPRETER=\"/lib64/ld-linux-x86-64.so.2\" \ -DQT_USE_ICU \ -DQT_HAVE_POLL \ -DQT_HAVE_PPOLL \ -DQT_BUILD_CORE_LIB \ -DQT_BUILDING_QT \ -DQT_NO_CAST_TO_ASCII \ -DQT_ASCII_CAST_WARNINGS \ -DQT_MOC_COMPAT \ -DQT_USE_QSTRINGBUILDER \ -DQT_DEPRECATED_WARNINGS \ -DQT_DISABLE_DEPRECATED_BEFORE=0x050000 \ -D_LARGEFILE64_SOURCE \ -D_LARGEFILE_SOURCE \ -DQT_NO_DEBUG \ -I/home/marc/Qt/qt5/qtbase/src/corelib \ -I. \ -Iglobal \ -I/home/marc/Qt/qt5/qtbase/src/3rdparty/harfbuzz/src \ -I/home/marc/Qt/qt5/qtbase/src/3rdparty/md5 \ -I/home/marc/Qt/qt5/qtbase/src/3rdparty/md4 \ -I/home/marc/Qt/qt5/qtbase/src/3rdparty/sha3 \ -I/home/marc/Qt/qt5/qtbase/src/3rdparty/forkfd \ -I../../include \ -I../../include/QtCore \ -I../../include/QtCore/5.8.0 \ -I../../include/QtCore/5.8.0/QtCore \ -I.moc \ -I/home/marc/Qt/qt5/qtbase/mkspecs/linux-g++ \ -x c++-header \ -c /home/marc/Qt/qt5/qtbase/src/corelib/global/qt_pch.h \ -o .pch/Qt5Core.gch/c++ g++ -v Using built-in specs. COLLECT_GCC=g++ COLLECT_LTO_WRAPPER=/d/gcc/trunk/libexec/gcc/x86_64-pc-linux-gnu/7.0.0/lto-wrapper Target: x86_64-pc-linux-gnu Configured with: ../gcc/configure --prefix=/d/gcc/trunk --enable-checking=release --enable-languges=c,c++,fortran,lto,objc,obj-c++ Thread model: posix gcc version 7.0.0 20161005 (experimental) (GCC) git log -10 --oneline c7b01e7 PR sanitizer/77823 * c-ubsan.c (ubsan_instrument_shift): Return NULL_TREE if type0 is not integral. d204444 Fix pr69941.c test failure for avr ea55eab 2016-10-05 Jerry DeLisle <jvdeli...@gcc.gnu.org> 9ce1157 PR bootstrap/77819 - undefined reference to gnu_libc_printf_pointer_format with uClibc 5c176eb * c-common.c (c_common_reswords): Update comment for C++11. 4ef2832 [fold-const] Fix native_encode_real for HFmode constants 59deb1a 70564 fix newly-added tests for not_fn c375ef0 libcpp/ChangeLog: 77a1a89 Move all existing strchr and strrchr folding from builtins.c to gimple-fold.c. ad69f5a PR 70101 fix allocator-extended ctors for std::priority_queue