Always tag number candidate as smi if it does not come from load-keyed.

Review URL: https://chromiumcodereview.appspot.com/14556007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14521 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/arm/lithium-codegen-arm.cc

@@ -5159,6 +5159,8 @@ void LCodeGen::DoNumberUntagD(LNumberUntagD* instr) {
       } else {
         mode = NUMBER_CANDIDATE_IS_SMI;
       }
+    } else {
+      mode = NUMBER_CANDIDATE_IS_SMI;
     }
   }
 

src/ia32/lithium-codegen-ia32.cc

@@ -5510,6 +5510,8 @@ void LCodeGen::DoNumberUntagD(LNumberUntagD* instr) {
       } else {
         mode = NUMBER_CANDIDATE_IS_SMI;
       }
+    } else {
+      mode = NUMBER_CANDIDATE_IS_SMI;
     }
   }
 

src/mips/lithium-codegen-mips.cc

@@ -4855,6 +4855,8 @@ void LCodeGen::DoNumberUntagD(LNumberUntagD* instr) {
       } else {
         mode = NUMBER_CANDIDATE_IS_SMI;
       }
+    } else {
+      mode = NUMBER_CANDIDATE_IS_SMI;
     }
   }
 

src/x64/lithium-codegen-x64.cc

@@ -4803,6 +4803,8 @@ void LCodeGen::DoNumberUntagD(LNumberUntagD* instr) {
       } else {
         mode = NUMBER_CANDIDATE_IS_SMI;
       }
+    } else {
+      mode = NUMBER_CANDIDATE_IS_SMI;
     }
   }