MC: Remove unneeded context argument to MCExpr::Evaluate*.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84233 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/MC/MCMachOStreamer.cpp b/lib/MC/MCMachOStreamer.cpp
index e04bd1f..b592391 100644
--- a/lib/MC/MCMachOStreamer.cpp
+++ b/lib/MC/MCMachOStreamer.cpp
@@ -346,8 +346,7 @@
                                         unsigned char Value) {
   MCValue RelocOffset;
 
-  if (!AddValueSymbols(Offset)->EvaluateAsRelocatable(getContext(),
-                                                      RelocOffset))
+  if (!AddValueSymbols(Offset)->EvaluateAsRelocatable(RelocOffset))
     return llvm_report_error("expected relocatable expression");
 
   new MCOrgFragment(RelocOffset, Value, CurSectionData);