Merge r342461 into the 7.0 branch : [Xray] llvm-xray fix possible segfault

[devnexen]

Bugzilla Link	39142
Resolution	FIXED
Resolved on	Oct 22, 2018 09:37
Version	7.0
OS	All
Blocks	#38454
CC	@tstellar
Fixed by commit(s)	r342461 r344918

Extended Description

Is it OK to merge the following revision(s) to the 7.0 branch?

[devnexen]

https://reviews.llvm.org/rL342461

[tstellar]

Hi Dean,

Is this OK to merge?

[llvmbot]

Apologies for the delay -- yes, it should be OK to merge.

[tstellar]

Merged: r344918