1// REQUIRES: shell 2// RUN: rm -rf %t 3// RUN: mkdir -p %t 4 5// RUN: echo '@import B;' > %t/A.h 6// RUN: echo '@import C;' > %t/B.h 7// RUN: echo '@import D;' >> %t/B.h 8// RUN: echo '// C.h' > %t/C.h 9// RUN: echo '// D.h' > %t/D.h 10// RUN: echo 'module A { header "A.h" }' > %t/module.modulemap 11// RUN: echo 'module B { header "B.h" }' >> %t/module.modulemap 12// RUN: echo 'module C { header "C.h" }' >> %t/module.modulemap 13// RUN: echo 'module D { header "D.h" }' >> %t/module.modulemap 14 15// RUN: %clang_cc1 -fmodules -fmodules-cache-path=%t -I %t %s -verify 16// RUN: echo " " >> %t/D.h 17// RUN: %clang_cc1 -fmodules -fmodules-cache-path=%t -I %t %s -verify 18// expected-no-diagnostics 19 20 21@import C; 22@import A; 23@import C; 24// When compiling A, C will be be loaded then removed when D fails. Ensure 25// this does not cause problems importing C again later. 26