Don't cast away constant qualifier.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152553 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Support/CommandLine.cpp b/lib/Support/CommandLine.cpp
index d1ec4b005bf3788720dabb6dc674ecda08feb1e8..e6fdf16a82de9a951f40875fd83ee1a38e508803 100644 (file)
--- a/lib/Support/CommandLine.cpp
+++ b/lib/Support/CommandLine.cpp
@@ -1191,7 +1191,7 @@ printOptionNoValue(const Option &O, size_t GlobalWidth) const {
 static int OptNameCompare(const void *LHS, const void *RHS) {
   typedef std::pair<const char *, Option*> pair_ty;
 
-  return strcmp(((pair_ty*)LHS)->first, ((pair_ty*)RHS)->first);
+  return strcmp(((const pair_ty*)LHS)->first, ((const pair_ty*)RHS)->first);
 }
 
 // Copy Options into a vector so we can sort them as we like.