Insert call to CodeForFunctionPosition in the ARM code generator.

(== SetFunctionPosition in the top-level compiler)

IA32 and X64 already do this at the beginning of CodeGenerator::gencode

Review URL: http://codereview.chromium.org/354026

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3207 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/arm/codegen-arm.cc

@@ -144,6 +144,9 @@ CodeGenerator::CodeGenerator(int buffer_size, Handle<Script> script,
 // cp: callee's context
 
 void CodeGenerator::GenCode(FunctionLiteral* fun) {
+  // Record the position for debugging purposes.
+  CodeForFunctionPosition(fun);
+
   ZoneList<Statement*>* body = fun->body();
 
   // Initialize state.

src/arm/fast-codegen-arm.cc

@@ -52,7 +52,7 @@ namespace internal {
 // frames-arm.h for its layout.
 void FastCodeGenerator::Generate(FunctionLiteral* fun) {
   function_ = fun;
-  // ARM does NOT call SetFunctionPosition.
+  SetFunctionPosition(fun);
 
   __ stm(db_w, sp, r1.bit() | cp.bit() | fp.bit() | lr.bit());
   // Adjust fp to point to caller's fp.