llvm-project/clang/test/Driver/cxx-pth.cpp

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// Test forced PTH for CXX support.
// RUN: %clang -x c++-header %s -### 2> %t.log
// RUN: FileCheck -check-prefix EMIT -input-file %t.log %s
// EMIT: "{{.*}}/clang{{.*}}" {{.*}} "-emit-pth" "{{.*}}.cpp.gch" "-x" "c++-header" "{{.*}}.cpp"
// RUN: touch %t.h.gch
// RUN: %clang -E -include %t.h %s -### 2> %t.log
// RUN: FileCheck -check-prefix USE -input-file %t.log %s
// USE: "{{.*}}/clang{{.*}}" {{.*}}"-include-pth" "{{.*}}.h.gch" {{.*}}"-x" "c++" "{{.*}}.cpp"