https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64813
--- Comment #5 from howarth at bromo dot med.uc.edu ---
(In reply to Jonathan Wakely from comment #4)
> (In reply to Dominique d'Humieres from comment #3)
> > Revision r219696 is OK, r219776 gives the ICE, likely r219737.
>
> Unlikely, the only file changed by r219737 isn't even included in the
> failing tests, and even if it was would not define anything without
> -std=c++14.
>
> This is a compiler bug, not a library bug. The bug is the ICE, which is in
> the compiler.
A regression hunt on x86_64-apple-darwin14 reveals that...
r219703 | hubicka | 2015-01-15 22:08:33 -0500 (Thu, 15 Jan 2015) | 4 lines
* doc/invoke.texi (--param early-inlining-insns): Update default value.
* params.def (PARAM_EARLY_INLINING_INSNS): Set to 14.
is the offending commit that triggres the ICEs in
conformance.exp=23_containers/unordered_map/requirements/explicit_instantiation/[2,4].cc
