Bug 11354 – dmd2 wont compile properly under C++11/CLang

[ 1%] Building CXX object CMakeFiles/LDCShared.dir/dmd2/func.c.o src/ldc/dmd2/func.c:582:18: error: case value evaluates to -2, which cannot be narrowed to type 'size_t' (aka 'unsigned long') [-Wc++11-narrowing] case -2: // can't determine because of fwd refs ^ src/ldc/dmd2/func.c:542:18: error: case value evaluates to -1, which cannot be narrowed to type 'size_t' (aka 'unsigned long') [-Wc++11-narrowing] case -1: ^ src/ldc/dmd2/func.c:674:22: error: case value evaluates to -2, which cannot be narrowed to type 'size_t' (aka 'unsigned long') [-Wc++11-narrowing] case -2: ^ src/ldc/dmd2/func.c:671:22: error: case value evaluates to -1, which cannot be narrowed to type 'size_t' (aka 'unsigned long') [-Wc++11-narrowing] case -1:

dmd is not written in C++11. It could be, but that is an enhancement.

Marking as invalid. If we're moving to a self-hosting compiler then enabling C++11 compilation would give someone incentive to use C++11 syntax in the codebase, which would make auto-porting to D more difficult.