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// This should warn by default.
// RUN: clang-cc %s 2>&1 | grep "warning:" &&
// This should not emit anything.
// RUN: clang-cc %s -Wno-extra-tokens 2>&1 | not grep diagnostic
// -Werror can map all warnings to error.
// RUN: clang-cc %s -Werror 2>&1 | grep "error:" &&
// -Werror can map this one warning to error.
// RUN: clang-cc %s -Werror=extra-tokens 2>&1 | grep "error:" &&
// This should stay a warning with -pedantic.
// RUN: clang-cc %s -pedantic 2>&1 | grep "warning:" &&
// This should emit an error with -pedantic-errors.
// RUN: clang-cc %s -pedantic-errors 2>&1 | grep "error:" &&
// This should emit a warning, because -Wfoo overrides -pedantic*.
// RUN: clang-cc %s -pedantic-errors -Wextra_tokens 2>&1 | grep "error:" &&
// This should emit nothing, because -Wno-extra-tokens overrides -pedantic*
// RUN: clang-cc %s -pedantic-errors -Wno-extra-tokens 2>&1 | not grep diagnostic
#ifdef foo
#endif bad // extension!
int x;
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