Merge r311777 into the 5.0 branch: Fix for #34321 : ustom OpenMP reduction in C++ template causes SEGFAULT at compile time

[hahnjo]

Bugzilla Link	35178
Resolution	FIXED
Resolved on	Nov 13, 2017 15:26
Version	unspecified
OS	All
Blocks	#33840
CC	@alexey-bataev,@hfinkel,@tstellar
Fixed by commit(s)	r311777 r318107

Extended Description

Compiler crashed when tried to rebuild non-template expression in
dependent context.

[hahnjo]

assigned to @alexey-bataev

[tstellar]

Hi Alexey,

Is this OK to merge to the release_50 branch: https://reviews.llvm.org/rL311777

[alexey-bataev]

Yes

[tstellar]

Merged: r318107