[builtins] Implement Array.prototype.reduce in the CSA

src/compiler/code-assembler.h

Index: src/compiler/code-assembler.h
diff --git a/src/compiler/code-assembler.h b/src/compiler/code-assembler.h
index 64bd3506e898bd1f495f9f00dc7665ec638a2c59..28ac6ce8639509eff7c58357e5e620e26a81fbab 100644
--- a/src/compiler/code-assembler.h
+++ b/src/compiler/code-assembler.h
@@ -458,9 +458,15 @@ class CodeAssemblerLabel {
       : CodeAssemblerLabel(assembler, merged_variables.length(),
                            &(merged_variables[0]), type) {}
   CodeAssemblerLabel(
-      CodeAssembler* assembler, size_t count, CodeAssemblerVariable** vars,
+      CodeAssembler* assembler, size_t count,
+      CodeAssemblerVariable* const* vars,
       CodeAssemblerLabel::Type type = CodeAssemblerLabel::kNonDeferred);
   CodeAssemblerLabel(
+      CodeAssembler* assembler,
+      std::initializer_list<CodeAssemblerVariable*> vars,
+      CodeAssemblerLabel::Type type = CodeAssemblerLabel::kNonDeferred)
+      : CodeAssemblerLabel(assembler, vars.size(), vars.begin(), type) {}
+  CodeAssemblerLabel(
       CodeAssembler* assembler, CodeAssemblerVariable* merged_variable,
       CodeAssemblerLabel::Type type = CodeAssemblerLabel::kNonDeferred)
       : CodeAssemblerLabel(assembler, 1, &merged_variable, type) {}