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/SemaExpr.cpp b/lib/Sema/SemaExpr.cpp
index 62106eb..2102bed 100644
--- a/lib/Sema/SemaExpr.cpp
+++ b/lib/Sema/SemaExpr.cpp
@@ -2750,7 +2750,7 @@
       // Check if we have too few/too many template arguments, based
       // on our knowledge of the function definition.
       const FunctionDecl *Def = 0;
-      if (FDecl->getBody(Context, Def) && NumArgs != Def->param_size()) {
+      if (FDecl->getBody(Def) && NumArgs != Def->param_size()) {
         const FunctionProtoType *Proto =
             Def->getType()->getAsFunctionProtoType();
         if (!Proto || !(Proto->isVariadic() && NumArgs >= Def->param_size())) {
@@ -5607,7 +5607,7 @@
   if (FunctionDecl *Function = dyn_cast<FunctionDecl>(D)) {
     // Implicit instantiation of function templates and member functions of 
     // class templates.
-    if (!Function->getBody(Context)) {
+    if (!Function->getBody()) {
       // FIXME: distinguish between implicit instantiations of function
       // templates and explicit specializations (the latter don't get
       // instantiated, naturally).