[PATCH] Fix PR20495: correct inference of the CUDA target for implicit members

[Peter Collingbourne]

LGTM with nit.

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Comment at: test/SemaCUDA/implicit-member-target-collision-cxx11.cu:19
@@ +18,3 @@
+
+// expected-note at -3 {{candidate constructor (the implicit default constructor}} not viable
+// expected-note at -4 {{implicit default constructor inferred target collision: call to both __host__ and __device__ members}}
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Should be `) not viable}}` here and elsewhere in this file.

http://reviews.llvm.org/D5199