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7df6641654
Summary: This fixes a subtle bug in new FileCheck feature added in r194343. When we search for the first satisfying check-prefix, we should actually return the first encounter of some check-prefix as a substring, even if it's not a part of valid check-line. Otherwise "FileCheck --check-prefix=FOO --check-prefix=BAR" with check file: FOO not a vaild check-line FOO: foo BAR: bar incorrectly accepted file: fog bar as it skipped the first two encounters of FOO, matching only BAR: line. Reviewers: arsenm, dsanders Reviewed By: dsanders CC: llvm-commits Differential Revision: http://llvm-reviews.chandlerc.com/D2166 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194565 91177308-0d34-0410-b5e6-96231b3b80d8
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