Revert of [wasm] Fix location for error in asm.js ToNumber conversion

src/frames.cc

Index: src/frames.cc
diff --git a/src/frames.cc b/src/frames.cc
index ff9ca9dd601b496e812fc2bb9d63c77570a9206f..f34c07ab09c292c1888dc09728ea48a183627604 100644
--- a/src/frames.cc
+++ b/src/frames.cc
@@ -1580,18 +1580,9 @@
         isolate());
     DCHECK_LE(0, position);
     position = WasmCompiledModule::GetAsmJsSourcePosition(
-        compiled_module, function_index(), static_cast<uint32_t>(position),
-        at_to_number_conversion());
+        compiled_module, function_index(), static_cast<uint32_t>(position));
   }
   return position;
-}
-
-bool WasmFrame::at_to_number_conversion() const {
-  // WasmToJsFrame::ComputeCallerState encoded this for us in the constant pool
-  // address. If there was no WasmToJsFrame above us, we just return false here,
-  // but this information is not relevant in this case anyway.
-  intptr_t addr_int = reinterpret_cast<intptr_t>(constant_pool_address());
-  return addr_int == 1;
 }
 
 int WasmFrame::LookupExceptionHandlerInTable(int* stack_slots) {
@@ -1601,20 +1592,6 @@
   int pc_offset = static_cast<int>(pc() - code->entry());
   *stack_slots = code->stack_slots();
   return table->LookupReturn(pc_offset);
-}
-
-void WasmToJsFrame::ComputeCallerState(State* state) const {
-  // Remember at which of the two calls inside it we are, and transfer this
-  // information to the subsequent WASM frame.
-  Code* code = unchecked_code();
-  AbstractCode* abstract_code = AbstractCode::cast(code);
-  int offset = static_cast<int>(pc() - code->instruction_start());
-  int at_to_number_call = abstract_code->SourcePosition(offset);
-  DCHECK(at_to_number_call == 0 || at_to_number_call == 1);
-  StubFrame::ComputeCallerState(state);
-  // Use a little hack here: The constant pool address is not used for wasm
-  // frames, so use it to encode whether we are at the to_number call.
-  state->constant_pool_address = reinterpret_cast<Address*>(at_to_number_call);
 }
 
 namespace {