rename GetStmt -> GetDeclStmt to make it clear that the stmt read
is part of a decl.

llvm-svn: 70189
diff --git a/clang/lib/Frontend/PCHReader.cpp b/clang/lib/Frontend/PCHReader.cpp
index 4ea1e05..4ec2a3a 100644
--- a/clang/lib/Frontend/PCHReader.cpp
+++ b/clang/lib/Frontend/PCHReader.cpp
@@ -1331,7 +1331,12 @@
   return DeclsLoaded[Index];
 }
 
-Stmt *PCHReader::GetStmt(uint64_t Offset) {
+/// \brief Resolve the offset of a statement into a statement.
+///
+/// This operation will read a new statement from the external
+/// source each time it is called, and is meant to be used via a
+/// LazyOffsetPtr (which is used by Decls for the body of functions, etc).
+Stmt *PCHReader::GetDeclStmt(uint64_t Offset) {
   // Keep track of where we are in the stream, then jump back there
   // after reading this declaration.
   SavedStreamPosition SavedPosition(Stream);