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-rw-r--r--clang/lib/Serialization/ModuleManager.cpp5
1 files changed, 3 insertions, 2 deletions
diff --git a/clang/lib/Serialization/ModuleManager.cpp b/clang/lib/Serialization/ModuleManager.cpp
index 7cc1544259f..c600c053b5f 100644
--- a/clang/lib/Serialization/ModuleManager.cpp
+++ b/clang/lib/Serialization/ModuleManager.cpp
@@ -180,8 +180,7 @@ void ModuleManager::visit(bool (*Visitor)(ModuleFile &M, void *UserData),
if (Visitor(*CurrentModule, UserData)) {
// The visitor has requested that cut off visitation of any
// module that the current module depends on. To indicate this
- // behavior, we mark all of the reachable modules as having N
- // incoming edges (which is impossible otherwise).
+ // behavior, we mark all of the reachable modules as "skipped".
SmallVector<ModuleFile *, 4> Stack;
Stack.push_back(CurrentModule);
Skipped[CurrentModule->Index] = true;
@@ -210,6 +209,8 @@ void ModuleManager::visit(bool (*Visitor)(ModuleFile &M, void *UserData),
M = CurrentModule->Imports.begin(),
MEnd = CurrentModule->Imports.end();
M != MEnd; ++M) {
+ if (Skipped[(*M)->Index])
+ continue;
// Remove our current module as an impediment to visiting the
// module we depend on. If we were the last unvisited module
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