Fix memory leak in Preprocessor where MacroInfo objects in the MICache wouldn't have their
associated SmallVectors get deallocated.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@105658 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Lex/Preprocessor.cpp b/lib/Lex/Preprocessor.cpp
index ce6d9ab..c20ecef 100644
--- a/lib/Lex/Preprocessor.cpp
+++ b/lib/Lex/Preprocessor.cpp
@@ -113,6 +113,14 @@
I->second->Destroy(BP);
I->first->setHasMacroDefinition(false);
}
+ for (std::vector<MacroInfo*>::iterator I = MICache.begin(),
+ E = MICache.end(); I != E; ++I) {
+ // We don't need to free the MacroInfo objects directly. These
+ // will be released when the BumpPtrAllocator 'BP' object gets
+ // destroyed. We still need to run the dtor, however, to free
+ // memory alocated by MacroInfo.
+ (*I)->Destroy(BP);
+ }
// Free any cached macro expanders.
for (unsigned i = 0, e = NumCachedTokenLexers; i != e; ++i)