diff options
Diffstat (limited to 'clang/lib/Lex/ModuleMap.cpp')
| -rw-r--r-- | clang/lib/Lex/ModuleMap.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/clang/lib/Lex/ModuleMap.cpp b/clang/lib/Lex/ModuleMap.cpp index 2c79bb2..4f7d5ab 100644 --- a/clang/lib/Lex/ModuleMap.cpp +++ b/clang/lib/Lex/ModuleMap.cpp @@ -544,6 +544,9 @@ void ModuleMap::diagnoseHeaderInclusion(Module *RequestingModule, static bool isBetterKnownHeader(const ModuleMap::KnownHeader &New, const ModuleMap::KnownHeader &Old) { // Prefer available modules. + // FIXME: Considering whether the module is available rather than merely + // importable is non-hermetic and can result in surprising behavior for + // prebuilt modules. Consider only checking for importability here. if (New.getModule()->isAvailable() && !Old.getModule()->isAvailable()) return true; |