COFFObjectWriter: Don't leak COFFSymbols and COFFSections.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109745 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/MC/WinCOFFObjectWriter.cpp b/lib/MC/WinCOFFObjectWriter.cpp
index 9c31f9a..a4bbc53 100644
--- a/lib/MC/WinCOFFObjectWriter.cpp
+++ b/lib/MC/WinCOFFObjectWriter.cpp
@@ -131,6 +131,7 @@
   symbol_map  SymbolMap;
 
   WinCOFFObjectWriter(raw_ostream &OS);
+  ~WinCOFFObjectWriter();
 
   COFFSymbol *createSymbol(llvm::StringRef Name);
   COFFSection *createSection(llvm::StringRef Name);
@@ -275,6 +276,13 @@
   Header.Machine = 0x14C; // x86
 }
 
+WinCOFFObjectWriter::~WinCOFFObjectWriter() {
+  for (symbols::iterator I = Symbols.begin(), E = Symbols.end(); I != E; ++I)
+    delete *I;
+  for (sections::iterator I = Sections.begin(), E = Sections.end(); I != E; ++I)
+    delete *I;
+}
+
 COFFSymbol *WinCOFFObjectWriter::createSymbol(llvm::StringRef Name) {
   return createCOFFEntity<COFFSymbol>(Name, Symbols);
 }