Free memory allocated by copy_env.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28299 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/gccld/GenerateCode.cpp b/tools/gccld/GenerateCode.cpp
index 9dffe33..967fbf0 100644
--- a/tools/gccld/GenerateCode.cpp
+++ b/tools/gccld/GenerateCode.cpp
@@ -438,7 +438,9 @@
 
   // Run the compiler to assembly and link together the program.
   if (Verbose) dumpArgs(&args[0]);
-  int Res = sys::Program::ExecuteAndWait(gcc, &args[0], (const char**)clean_env);
+  int Res = sys::Program::ExecuteAndWait(gcc, &args[0],(const char**)clean_env);
+
+  delete [] clean_env;
 
   while (!StringsToDelete.empty()) {
     free(StringsToDelete.back());