Revert of [WASM] Implements catch for the wasm low level exception mechanism.

src/compiler/instruction-selector.cc

Index: src/compiler/instruction-selector.cc
diff --git a/src/compiler/instruction-selector.cc b/src/compiler/instruction-selector.cc
index d8409a3f89c8250155d645b73b189ece198083d4..e4faca5a6692b572875374ad51a63bfc8957fc65 100644
--- a/src/compiler/instruction-selector.cc
+++ b/src/compiler/instruction-selector.cc
@@ -1707,17 +1707,13 @@
   Emit(kArchNop, op);
 }
 
-namespace {
-LinkageLocation ExceptionLocation() {
-  return LinkageLocation::ForRegister(kReturnRegister0.code(),
-                                      MachineType::IntPtr());
-}
-}
 
 void InstructionSelector::VisitIfException(Node* node) {
   OperandGenerator g(this);
-  DCHECK_EQ(IrOpcode::kCall, node->InputAt(1)->opcode());
-  Emit(kArchNop, g.DefineAsLocation(node, ExceptionLocation()));
+  Node* call = node->InputAt(1);
+  DCHECK_EQ(IrOpcode::kCall, call->opcode());
+  const CallDescriptor* descriptor = CallDescriptorOf(call->op());
+  Emit(kArchNop, g.DefineAsLocation(node, descriptor->GetReturnLocation(0)));
 }