[gn] Tag unneeded variable.
authorBryant Wong <llvm-commits@xorshift.org>
Fri, 12 Jul 2019 13:09:39 +0000 (13:09 +0000)
committerBryant Wong <llvm-commits@xorshift.org>
Fri, 12 Jul 2019 13:09:39 +0000 (13:09 +0000)
commit421c7918dc29fb825c16e6eb4095f1d502c7cd92
treea67b2c7175fa8b1057c750aee28b602beb0e0a4d
parent701e2c0d710c4a46205b365ba6f93cc5b85dd245
[gn] Tag unneeded variable.

When only building targets without assembly parsers (e.g. `llvm_targets_to_build
= ["NVPTX"]`), `all_targets` is empty and causes GN to warn about an
assigned-but-unused variable.

Differential Revision: https://reviews.llvm.org/D31727

llvm-svn: 365897
llvm/utils/gn/secondary/llvm/include/llvm/Config/BUILD.gn