[gn] Enable stricter build flags

test/cctest/interpreter/test-interpreter.cc

Index: test/cctest/interpreter/test-interpreter.cc
diff --git a/test/cctest/interpreter/test-interpreter.cc b/test/cctest/interpreter/test-interpreter.cc
index ed986bba4b03065438dd78f37ad974fb509a532c..3cad62a3601a488b70443b120b36900963a02d41 100644
--- a/test/cctest/interpreter/test-interpreter.cc
+++ b/test/cctest/interpreter/test-interpreter.cc
@@ -592,7 +592,8 @@ TEST(InterpreterBinaryOpTypeFeedback) {
       {Token::Value::SUB, ast_factory.NewSmi(2), ast_factory.NewSmi(3),
        Handle<Smi>(Smi::FromInt(-1), isolate),
        BinaryOperationFeedback::kSignedSmall},
-      {Token::Value::SUB, ast_factory.NewSmi(Smi::kMinValue),
+      {Token::Value::SUB,
+       ast_factory.NewSmi(static_cast<uint32_t>(Smi::kMinValue)),
        ast_factory.NewSmi(1),
        isolate->factory()->NewHeapNumber(Smi::kMinValue - 1.0),
        BinaryOperationFeedback::kNumber},
@@ -610,7 +611,8 @@ TEST(InterpreterBinaryOpTypeFeedback) {
       {Token::Value::MUL, ast_factory.NewSmi(2), ast_factory.NewSmi(3),
        Handle<Smi>(Smi::FromInt(6), isolate),
        BinaryOperationFeedback::kSignedSmall},
-      {Token::Value::MUL, ast_factory.NewSmi(Smi::kMinValue),
+      {Token::Value::MUL,
+       ast_factory.NewSmi(static_cast<uint32_t>(Smi::kMinValue)),
        ast_factory.NewSmi(2),
        isolate->factory()->NewHeapNumber(Smi::kMinValue * 2.0),
        BinaryOperationFeedback::kNumber},
@@ -645,8 +647,8 @@ TEST(InterpreterBinaryOpTypeFeedback) {
       {Token::Value::MOD, ast_factory.NewSmi(5), ast_factory.NewSmi(3),
        Handle<Smi>(Smi::FromInt(2), isolate),
        BinaryOperationFeedback::kSignedSmall},
-      {Token::Value::MOD, ast_factory.NewSmi(-4), ast_factory.NewSmi(2),
-       isolate->factory()->NewHeapNumber(-0.0),
+      {Token::Value::MOD, ast_factory.NewSmi(static_cast<uint32_t>(-4)),
+       ast_factory.NewSmi(2), isolate->factory()->NewHeapNumber(-0.0),
        BinaryOperationFeedback::kNumber},
       {Token::Value::MOD, ast_factory.NewNumber(3.1415), ast_factory.NewSmi(3),
        isolate->factory()->NewHeapNumber(fmod(3.1415, 3.0)),
@@ -723,7 +725,8 @@ TEST(InterpreterBinaryOpSmiTypeFeedback) {
       {Token::Value::SUB, ast_factory.NewSmi(2), 42,
        Handle<Smi>(Smi::FromInt(-40), isolate),
        BinaryOperationFeedback::kSignedSmall},
-      {Token::Value::SUB, ast_factory.NewSmi(Smi::kMinValue), 1,
+      {Token::Value::SUB,
+       ast_factory.NewSmi(static_cast<uint32_t>(Smi::kMinValue)), 1,
        isolate->factory()->NewHeapNumber(Smi::kMinValue - 1.0),
        BinaryOperationFeedback::kNumber},
       {Token::Value::SUB, ast_factory.NewNumber(3.1415), 2,