Fix debug mode test failures on MIPS and PPC after f1aa5562.

test/cctest/compiler/test-gap-resolver.cc

Index: test/cctest/compiler/test-gap-resolver.cc
diff --git a/test/cctest/compiler/test-gap-resolver.cc b/test/cctest/compiler/test-gap-resolver.cc
index 9180f13afc11c353a1e5f734c9c63ca07de454a4..10f4400d4f01cf631b25a6ce54b687b12fb5d046 100644
--- a/test/cctest/compiler/test-gap-resolver.cc
+++ b/test/cctest/compiler/test-gap-resolver.cc
@@ -213,10 +213,15 @@ class ParallelMoveCreator : public HandleAndZoneScope {
         return AllocatedOperand(LocationOperand::REGISTER, RandomDoubleType(),
                                 index);
       case 4:
-        return ExplicitOperand(LocationOperand::REGISTER, RandomType(), 1);
+        return ExplicitOperand(
+            LocationOperand::REGISTER, RandomType(),
+            RegisterConfiguration::ArchDefault(RegisterConfiguration::TURBOFAN)
+                ->GetAllocatableGeneralCode(1));
       case 5:
-        return ExplicitOperand(LocationOperand::STACK_SLOT, RandomType(),
-                               index);
+        return ExplicitOperand(
+            LocationOperand::STACK_SLOT, RandomType(),
+            RegisterConfiguration::ArchDefault(RegisterConfiguration::TURBOFAN)
+                ->GetAllocatableGeneralCode(index));
       case 6:
         return ConstantOperand(index);
     }