[Bug target/66523] the new clang-based assembler in Xcode 7 on 10.11 fails on libobjc/NXConstStr.m

[howarth.at.gcc at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66523

--- Comment #10 from Jack Howarth <howarth.at.gcc at gmail dot com> ---
I assume we have missed the window for gcc 5.2.0.