build/config: use "trim string" instead of "value" for clang revision
commit985f4d610a682fb4059d0360fc4de9da45bf34d8
authormdempsky <mdempsky@chromium.org>
Mon, 30 Mar 2015 21:37:23 +0000 (30 14:37 -0700)
committerCommit bot <commit-bot@chromium.org>
Mon, 30 Mar 2015 21:38:22 +0000 (30 21:38 +0000)
tree9371402604506c9a2c904b4f41f6ef3ab87d1ea4
parent2c3f7251bce777a0792565c98269246bec632824
build/config: use "trim string" instead of "value" for clang revision

Clang revisions aren't always GN literals; e.g., right now it's
"233105-1", but GN's "value" conversion parses as just "233105",
silently ignoring the trailing "-1".

See also discussion on gn-dev:
https://groups.google.com/a/chromium.org/d/msg/gn-dev/hHRC1HuWBo8/drOd5dTvO5oJ

Review URL: https://codereview.chromium.org/1049453002

Cr-Commit-Position: refs/heads/master@{#322874}
build/config/compiler/BUILD.gn