[test] Change or replace unrepresentable number in the lists of float test values.

I removed or replaced some values in the list of float and double values
in value-helper.h which cannot be represented precisely as floats or
doubles, respectively.

R=titzer@chromium.org

Review-Url: https://codereview.chromium.org/2135243004
Cr-Commit-Position: refs/heads/master@{#37671}

test/cctest/compiler/value-helper.h

@@ -82,8 +82,9 @@ class ValueHelper {
         -4.66622e+11f,
         -2.22581e+11f,
         -1.45381e+10f,
-        -2147483649.0f,  // INT32_MIN - 1
+        -2147483904.0f,  // First float32 after INT32_MIN
         -2147483648.0f,  // INT32_MIN
+        -2147483520.0f,  // Last float32 before INT32_MIN
         -1.3956e+09f,
         -1.32951e+09f,
         -1.30721e+09f,
@@ -158,8 +159,8 @@ class ValueHelper {
         1.51116e+11f,
         4.18193e+13f,
         3.59167e+16f,
-        9223372036854775807.0f,   // INT64_MAX
-        18446744073709551615.0f,  // UINT64_MAX
+        9223372036854775808.0f,   // INT64_MAX + 1
+        18446744073709551616.0f,  // UINT64_MAX + 1
         3.38211e+19f,
         2.67488e+20f,
         1.78831e+21f,
@@ -224,9 +225,9 @@ class ValueHelper {
                                     2147483648.0,
                                     2147483648.25,
                                     2147483649.25,
-                                    9223372036854775807.0,  // INT64_MAX
+                                    9223372036854775808.0,  // INT64_MAX + 1
                                     9223373136366403584.0,
-                                    18446744073709551615.0,  // UINT64_MAX
+                                    18446744073709551616.0,  // UINT64_MAX + 1
                                     2e66,
                                     V8_INFINITY,
                                     -V8_INFINITY,