https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66858
Bug ID: 66858 Summary: [6 Regression] FAIL: g++.dg/pch/system-2.C -O2 -g assembly comparison on aarch64-none-elf, arm-none-eabi Product: gcc Version: 6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: ktkachov at gcc dot gnu.org CC: jason at redhat dot com Target Milestone: --- Target: aarch64-none-elf, arm-none-eabi Created attachment 35968 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=35968&action=edit g++.log entry for the failure I'm seeing this failure on a bare-metal aarch64-none-elf (newlib target) after: Author: jason <jason@138bc75d-0d04-0410-961f-82ee72b054a4> Date: Wed Jul 1 18:27:12 2015 +0000 gcc/c-family/ * c-opts.c (c_common_post_options): Default to C++14. * gcc/testsuite/ lib/target-supports.exp (cxx_default): Set to C++14. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@225272 138bc75d-0d04-0410-961f-82ee72b054a4 I'm attaching the log entry from the assembly comparison test. Running the test with /-std=gnu++98 works fine. I don't see this failure on linux targets (glibc based)