X87: [turbofan] Fixing IMulHigh, which has a temp.

  port a685180d (r33535)

  original commit message:
  On Intel, imul clobbers {r|e}ax.  We're missing that in the representation
  of the MulHigh intermediate instructions. Fixing, by adding it as a temp,
  akin VisitDiv does.

BUG=

Review URL: https://codereview.chromium.org/1643753003

Cr-Commit-Position: refs/heads/master@{#33567}

src/compiler/x87/instruction-selector-x87.cc

@@ -469,9 +469,10 @@ namespace {
 void VisitMulHigh(InstructionSelector* selector, Node* node,
                   ArchOpcode opcode) {
   X87OperandGenerator g(selector);
-  selector->Emit(opcode, g.DefineAsFixed(node, edx),
-                 g.UseFixed(node->InputAt(0), eax),
-                 g.UseUniqueRegister(node->InputAt(1)));
+  InstructionOperand temps[] = {g.TempRegister(eax)};
+  selector->Emit(
+      opcode, g.DefineAsFixed(node, edx), g.UseFixed(node->InputAt(0), eax),
+      g.UseUniqueRegister(node->InputAt(1)), arraysize(temps), temps);
 }