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[Support] Ensure redirected outputs don't contain output from previous tests.

Authored by dlj on May 13 2019, 1:32 PM.

Description

[Support] Ensure redirected outputs don't contain output from previous tests.

stdout may be buffered, and may not flush on every write. Explicitly flushing
before redirecting the output ensures that the captured output does not contain
output from other tests.

llvm-svn: 360617

Details

Committed
dljMay 13 2019, 1:32 PM
Parents
rG323dc634b984: [WebAssembly] Don't assume that zext/sext result is i32/i64 in fast isel…
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