Address comments from CL 10660026.

lib/compiler/implementation/ssa/codegen_helpers.dart

Index: lib/compiler/implementation/ssa/codegen_helpers.dart
diff --git a/lib/compiler/implementation/ssa/codegen_helpers.dart b/lib/compiler/implementation/ssa/codegen_helpers.dart
index 6bc97c8f6e74b52c7c89c25f19619b8c3cef9a22..73976cee40c8181ae44f44db9031510a844d0055 100644
--- a/lib/compiler/implementation/ssa/codegen_helpers.dart
+++ b/lib/compiler/implementation/ssa/codegen_helpers.dart
@@ -18,7 +18,7 @@ class SsaInstructionMerger extends HBaseVisitor {
   Set<HInstruction> generateAtUseSite;
 
   void markAsGenerateAtUseSite(HInstruction instruction) {
-    assert(!instruction.isStatement(types));
+    assert(!instruction.isJsStatement(types));
     generateAtUseSite.add(instruction);
   }
 
@@ -152,7 +152,7 @@ class SsaInstructionMerger extends HBaseVisitor {
         markAsGenerateAtUseSite(instruction);
         continue;
       }
-      if (instruction.isStatement(types)) {
+      if (instruction.isJsStatement(types)) {
         expectedInputs.clear();
       }
       // See if the current instruction is the next non-trivial
@@ -186,7 +186,7 @@ class SsaConditionMerger extends HGraphVisitor {
   Set<HInstruction> controlFlowOperators;
 
   void markAsGenerateAtUseSite(HInstruction instruction) {
-    assert(!instruction.isStatement(types));
+    assert(!instruction.isJsStatement(types));
     generateAtUseSite.add(instruction);
   }
 
@@ -282,7 +282,8 @@ class SsaConditionMerger extends HGraphVisitor {
     HPhi phi = end.phis.first;
     HInstruction thenInput = phi.inputs[0];
     HInstruction elseInput = phi.inputs[1];
-    if (thenInput.isStatement(types) || elseInput.isStatement(types)) return;
+    if (thenInput.isJsStatement(types) ||
+        elseInput.isJsStatement(types)) return;
 
     if (hasAnyStatement(elseBlock, elseInput)) return;
     assert(elseBlock.successors.length == 1);