[compiler] Deal with some old TODOs in the typer.

test/unittests/compiler/simplified-operator-reducer-unittest.cc

Index: test/unittests/compiler/simplified-operator-reducer-unittest.cc
diff --git a/test/unittests/compiler/simplified-operator-reducer-unittest.cc b/test/unittests/compiler/simplified-operator-reducer-unittest.cc
index eec39abb42b1d7ba8c6c2676266f3f8bc4975d9e..82bf21662efbaa8584de335e6b8b86cbbfe4c311 100644
--- a/test/unittests/compiler/simplified-operator-reducer-unittest.cc
+++ b/test/unittests/compiler/simplified-operator-reducer-unittest.cc
@@ -91,26 +91,6 @@ const int32_t kInt32Values[] = {
     1866841746, 2032089723, 2147483647};
 
 
-const uint32_t kUint32Values[] = {
-    0x0,        0x5,        0x8,        0xc,        0xd,        0x26,
-    0x28,       0x29,       0x30,       0x34,       0x3e,       0x42,
-    0x50,       0x5b,       0x63,       0x71,       0x77,       0x7c,
-    0x83,       0x88,       0x96,       0x9c,       0xa3,       0xfa,
-    0x7a7,      0x165d,     0x234d,     0x3acb,     0x43a5,     0x4573,
-    0x5b4f,     0x5f14,     0x6996,     0x6c6e,     0x7289,     0x7b9a,
-    0x7bc9,     0x86bb,     0xa839,     0xaa41,     0xb03b,     0xc942,
-    0xce68,     0xcf4c,     0xd3ad,     0xdea3,     0xe90c,     0xed86,
-    0xfba5,     0x172dcc6,  0x114d8fc1, 0x182d6c9d, 0x1b1e3fad, 0x1db033bf,
-    0x1e1de755, 0x1f625c80, 0x28f6cf00, 0x2acb6a94, 0x2c20240e, 0x2f0fe54e,
-    0x31863a7c, 0x33325474, 0x3532fae3, 0x3bab82ea, 0x4c4b83a2, 0x4cd93d1e,
-    0x4f7331d4, 0x5491b09b, 0x57cc6ff9, 0x60d3b4dc, 0x653f5904, 0x690ae256,
-    0x69fe3276, 0x6bebf0ba, 0x6e2c69a3, 0x73b84ff7, 0x7b3a1924, 0x7ed032d9,
-    0x84dd734b, 0x8552ea53, 0x8680754f, 0x8e9660eb, 0x94fe2b9c, 0x972d30cf,
-    0x9b98c482, 0xb158667e, 0xb432932c, 0xb5b70989, 0xb669971a, 0xb7c359d1,
-    0xbeb15c0d, 0xc171c53d, 0xc743dd38, 0xc8e2af50, 0xc98e2df0, 0xd9d1cdf9,
-    0xdcc91049, 0xe46f396d, 0xee991950, 0xef64e521, 0xf7aeefc9, 0xffffffff};
-
-
 const double kNaNs[] = {-std::numeric_limits<double>::quiet_NaN(),
                         std::numeric_limits<double>::quiet_NaN(),
                         bit_cast<double>(V8_UINT64_C(0x7FFFFFFFFFFFFFFF)),
@@ -314,26 +294,6 @@ TEST_F(SimplifiedOperatorReducerTest,
 }
 
 
-TEST_F(SimplifiedOperatorReducerTest, ChangeTaggedToInt32WithConstant) {
-  TRACED_FOREACH(double, n, kFloat64Values) {
-    Reduction reduction = Reduce(graph()->NewNode(
-        simplified()->ChangeTaggedToInt32(), NumberConstant(n)));
-    ASSERT_TRUE(reduction.Changed());
-    EXPECT_THAT(reduction.replacement(), IsInt32Constant(DoubleToInt32(n)));
-  }
-}
-
-
-TEST_F(SimplifiedOperatorReducerTest, ChangeTaggedToInt32WithNaNConstant) {
-  TRACED_FOREACH(double, nan, kNaNs) {
-    Reduction reduction = Reduce(graph()->NewNode(
-        simplified()->ChangeTaggedToInt32(), NumberConstant(nan)));
-    ASSERT_TRUE(reduction.Changed());
-    EXPECT_THAT(reduction.replacement(), IsInt32Constant(0));
-  }
-}
-
-
 // -----------------------------------------------------------------------------
 // ChangeTaggedToUint32
 
@@ -360,41 +320,6 @@ TEST_F(SimplifiedOperatorReducerTest,
 }
 
 
-TEST_F(SimplifiedOperatorReducerTest, ChangeTaggedToUint32WithConstant) {
-  TRACED_FOREACH(double, n, kFloat64Values) {
-    Reduction reduction = Reduce(graph()->NewNode(
-        simplified()->ChangeTaggedToUint32(), NumberConstant(n)));
-    ASSERT_TRUE(reduction.Changed());
-    EXPECT_THAT(reduction.replacement(),
-                IsInt32Constant(bit_cast<int32_t>(DoubleToUint32(n))));
-  }
-}
-
-
-TEST_F(SimplifiedOperatorReducerTest, ChangeTaggedToUint32WithNaNConstant) {
-  TRACED_FOREACH(double, nan, kNaNs) {
-    Reduction reduction = Reduce(graph()->NewNode(
-        simplified()->ChangeTaggedToUint32(), NumberConstant(nan)));
-    ASSERT_TRUE(reduction.Changed());
-    EXPECT_THAT(reduction.replacement(), IsInt32Constant(0));
-  }
-}
-
-
-// -----------------------------------------------------------------------------
-// ChangeUint32ToTagged
-
-
-TEST_F(SimplifiedOperatorReducerTest, ChangeUint32ToTagged) {
-  TRACED_FOREACH(uint32_t, n, kUint32Values) {
-    Reduction reduction =
-        Reduce(graph()->NewNode(simplified()->ChangeUint32ToTagged(),
-                                Int32Constant(bit_cast<int32_t>(n))));
-    ASSERT_TRUE(reduction.Changed());
-    EXPECT_THAT(reduction.replacement(), IsNumberConstant(BitEq(FastUI2D(n))));
-  }
-}
-
 // -----------------------------------------------------------------------------
 // TruncateTaggedToWord32