Remove the ASTContext parameter from the getBody() methods of Decl and subclasses.

Timings showed no significant difference before and after the commit.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@74504 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaTemplateInstantiate.cpp b/lib/Sema/SemaTemplateInstantiate.cpp
index f05323b..8af9ca1 100644
--- a/lib/Sema/SemaTemplateInstantiate.cpp
+++ b/lib/Sema/SemaTemplateInstantiate.cpp
@@ -1000,7 +1000,7 @@
                                DEnd = Instantiation->decls_end(Context);
        D != DEnd; ++D) {
     if (FunctionDecl *Function = dyn_cast<FunctionDecl>(*D)) {
-      if (!Function->getBody(Context))
+      if (!Function->getBody())
         InstantiateFunctionDefinition(PointOfInstantiation, Function);
     } else if (VarDecl *Var = dyn_cast<VarDecl>(*D)) {
       const VarDecl *Def = 0;