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/SemaDecl.cpp b/lib/Sema/SemaDecl.cpp
index 513f328..a0e125f 100644
--- a/lib/Sema/SemaDecl.cpp
+++ b/lib/Sema/SemaDecl.cpp
@@ -3063,7 +3063,7 @@
   
   // See if this is a redefinition.
   const FunctionDecl *Definition;
-  if (FD->getBody(Context, Definition)) {
+  if (FD->getBody(Definition)) {
     Diag(FD->getLocation(), diag::err_redefinition) << FD->getDeclName();
     Diag(Definition->getLocation(), diag::note_previous_definition);
   }