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// Test that if we modify one of the input files used to form a
// header, that module and dependent modules get rebuilt.
// RUN: rm -rf %t
// RUN: mkdir -p %t/include
// RUN: cat %S/Inputs/Modified/A.h > %t/include/A.h
// RUN: cat %S/Inputs/Modified/B.h > %t/include/B.h
// RUN: cat %S/Inputs/Modified/module.modulemap > %t/include/module.modulemap
// RUN: %clang_cc1 -fdisable-module-hash -fmodules-cache-path=%t/cache -fmodules -fimplicit-module-maps -I %t/include %s -verify
// RUN: echo '' >> %t/include/B.h
// RUN: %clang_cc1 -fdisable-module-hash -fmodules-cache-path=%t/cache -fmodules -fimplicit-module-maps -I %t/include %s -verify
// RUN: echo 'int getA(); int getA2();' > %t/include/A.h
// RUN: %clang_cc1 -fdisable-module-hash -fmodules-cache-path=%t/cache -fmodules -fimplicit-module-maps -I %t/include %s -verify
// RUN: rm %t/cache/ModA.pcm
// RUN: %clang_cc1 -fdisable-module-hash -fmodules-cache-path=%t/cache -fmodules -fimplicit-module-maps -I %t/include %s -verify
// RUN: touch %t/cache/ModA.pcm
// RUN: %clang_cc1 -fdisable-module-hash -fmodules-cache-path=%t/cache -fmodules -fimplicit-module-maps -I %t/include %s -verify
// expected-no-diagnostics
// FIXME: It is intended to suppress this on win32.
// REQUIRES: ansi-escape-sequences
@import ModB;
int getValue() { return getA() + getB(); }
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