llvm-project/clang/test/Preprocessor/pr13851.c

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// Check that -E -M -MF does not cause an "argument unused" error, by adding
// -Werror to the clang invocation. Also check the dependency output, if any.
// RUN: %clang -Werror -E -M -MF %t-M.d %s
// RUN: FileCheck --input-file=%t-M.d %s
// CHECK: pr13851.o:
// CHECK: pr13851.c
// Check that -E -MM -MF does not cause an "argument unused" error, by adding
// -Werror to the clang invocation. Also check the dependency output, if any.
// RUN: %clang -Werror -E -MM -MF %t-MM.d %s
// RUN: FileCheck --input-file=%t-MM.d %s