https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70029
--- Comment #17 from Jason Merrill <jason at gcc dot gnu.org> --- Author: jason Date: Wed Oct 4 17:47:08 2017 New Revision: 253424 URL: https://gcc.gnu.org/viewcvs?rev=253424&root=gcc&view=rev Log: PR c++/82406 - C++17 error with noexcept function type PR c++/70029 - ICE with ref-qualifier and -flto gcc/ * langhooks.h (struct lang_hooks_for_types): Add copy_lang_qualifiers. * langhooks-def.h (LANG_HOOKS_COPY_LANG_QUALIFIERS): Default to NULL. (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it. * tree.c (verify_type): Re-enable TYPE_CANONICAL main variant check. (build_type_attribute_qual_variant): Use copy_lang_qualifiers. gcc/cp/ * tree.c (cxx_copy_lang_qualifiers): New. * cp-tree.h: Declare it. * cp-objcp-common.h: Define LANG_HOOKS_COPY_LANG_QUALIFIERS. Added: branches/gcc-7-branch/gcc/testsuite/g++.dg/ext/attrib54.C branches/gcc-7-branch/gcc/testsuite/g++.dg/lto/pr70029_0.C Modified: branches/gcc-7-branch/gcc/ChangeLog branches/gcc-7-branch/gcc/cp/ChangeLog branches/gcc-7-branch/gcc/cp/cp-objcp-common.h branches/gcc-7-branch/gcc/cp/cp-tree.h branches/gcc-7-branch/gcc/cp/tree.c branches/gcc-7-branch/gcc/langhooks-def.h branches/gcc-7-branch/gcc/langhooks.h branches/gcc-7-branch/gcc/tree.c
