From 09ec0004eee2d9929d25cf519956cc470ffb33dd Mon Sep 17 00:00:00 2001 From: Ian Anderson Date: Fri, 20 Oct 2023 13:23:34 -0700 Subject: [Modules] textual headers in submodules never resolve their `use`s (#69651) When an include from a textual header is resolved, the textual header's submodule is used as the requesting module. The submodule's uses are resolved, but that doesn't work because only top level modules have uses, and only the top level module uses are used for checking uses in Module::directlyUses. ModuleMap::resolveUses to resolve the top level module instead of the submodule. --- clang/lib/Lex/ModuleMap.cpp | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) (limited to 'clang/lib/Lex/ModuleMap.cpp') diff --git a/clang/lib/Lex/ModuleMap.cpp b/clang/lib/Lex/ModuleMap.cpp index 7fd92bf..eb7cab5 100644 --- a/clang/lib/Lex/ModuleMap.cpp +++ b/clang/lib/Lex/ModuleMap.cpp @@ -1398,16 +1398,17 @@ bool ModuleMap::resolveExports(Module *Mod, bool Complain) { } bool ModuleMap::resolveUses(Module *Mod, bool Complain) { - auto Unresolved = std::move(Mod->UnresolvedDirectUses); - Mod->UnresolvedDirectUses.clear(); + auto *Top = Mod->getTopLevelModule(); + auto Unresolved = std::move(Top->UnresolvedDirectUses); + Top->UnresolvedDirectUses.clear(); for (auto &UDU : Unresolved) { - Module *DirectUse = resolveModuleId(UDU, Mod, Complain); + Module *DirectUse = resolveModuleId(UDU, Top, Complain); if (DirectUse) - Mod->DirectUses.push_back(DirectUse); + Top->DirectUses.push_back(DirectUse); else - Mod->UnresolvedDirectUses.push_back(UDU); + Top->UnresolvedDirectUses.push_back(UDU); } - return !Mod->UnresolvedDirectUses.empty(); + return !Top->UnresolvedDirectUses.empty(); } bool ModuleMap::resolveConflicts(Module *Mod, bool Complain) { -- cgit v1.1