[libcxx-commits] [libcxx] 62f3a96 - [libc++] Attempt to workaround module invalidation bug

[Eric Fiselier via libcxx-commits]

Author: Eric Fiselier
Date: 2020-04-04T03:18:01-04:00
New Revision: 62f3a9650a9f289a07a5f480764fb655178c2334

URL: https://github.com/llvm/llvm-project/commit/62f3a9650a9f289a07a5f480764fb655178c2334
DIFF: https://github.com/llvm/llvm-project/commit/62f3a9650a9f289a07a5f480764fb655178c2334.diff

LOG: [libc++] Attempt to workaround module invalidation bug

Added: 
    

Modified: 
    libcxx/test/libcxx/modules/stds_include.sh.cpp

Removed: 
    


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diff  --git a/libcxx/test/libcxx/modules/stds_include.sh.cpp b/libcxx/test/libcxx/modules/stds_include.sh.cpp
index c71fb9ab978e..7ef29fcd3143 100644
--- a/libcxx/test/libcxx/modules/stds_include.sh.cpp
+++ b/libcxx/test/libcxx/modules/stds_include.sh.cpp
@@ -18,12 +18,14 @@
 // REQUIRES: modules-support
 
 // NOTE: The -std=XXX flag is present in %{flags}, so we overwrite it by passing it after %{flags}.
-// RUN: %{cxx} %{flags} %{compile_flags} -fmodules -fcxx-modules -fsyntax-only -std=c++98 %s
-// RUN: %{cxx} %{flags} %{compile_flags} -fmodules -fcxx-modules -fsyntax-only -std=c++03 %s
-// RUN: %{cxx} %{flags} %{compile_flags} -fmodules -fcxx-modules -fsyntax-only -std=c++11 %s
-// RUN: %{cxx} %{flags} %{compile_flags} -fmodules -fcxx-modules -fsyntax-only -std=c++14 %s
-// RUN: %{cxx} %{flags} %{compile_flags} -fmodules -fcxx-modules -fsyntax-only -std=c++17 %s
-// RUN: %{cxx} %{flags} %{compile_flags} -fmodules -fcxx-modules -fsyntax-only -std=c++2a %s
+// FIXME: Remove the `-DINVALIDATE_CACHE_FOO` macros. Their purpose is to workaround a bug in older Clang versions
+//        the same modules caches were reused across standard dialects.
+// RUN: %{cxx} %{flags} %{compile_flags} -fmodules -fcxx-modules -fsyntax-only -std=c++98 -DINVALIDATE_CACHE_CXX98 %s
+// RUN: %{cxx} %{flags} %{compile_flags} -fmodules -fcxx-modules -fsyntax-only -std=c++03 -DINVALIDATE_CACHE_CXX03 %s
+// RUN: %{cxx} %{flags} %{compile_flags} -fmodules -fcxx-modules -fsyntax-only -std=c++11 -DINVALIDATE_CACHE_CXX11 %s
+// RUN: %{cxx} %{flags} %{compile_flags} -fmodules -fcxx-modules -fsyntax-only -std=c++14 -DINVALIDATE_CACHE_CKK14 %s
+// RUN: %{cxx} %{flags} %{compile_flags} -fmodules -fcxx-modules -fsyntax-only -std=c++17 -DINVALIDATE_CACHE_CXX17 %s
+// RUN: %{cxx} %{flags} %{compile_flags} -fmodules -fcxx-modules -fsyntax-only -std=c++2a -DINVALIDATE_CACHE_CXX2A %s
 
 #include <vector>