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Sema: do not warn about unused const vars if main file is a header

Description

Sema: do not warn about unused const vars if main file is a header

If we pass a header to libclang, e.g. because it's open in an editor in
an IDE, warnings about unused const vars are not useful: other files
that include the header might use those constants. So when -x *-header
is passed as command-line option, suppress this warning.

Details

Committed
erikjvOct 28 2016, 1:28 AM
Parents
rL285385: [asan/lsan] Avoid possible deadlock in dynamic ASan runtime thread…
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