[turbofan] Fixed a bug in TryTruncateFloatXXToInt64 with INT64_MIN.

test/cctest/compiler/value-helper.h

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_CCTEST_COMPILER_VALUE_HELPER_H_
 #define V8_CCTEST_COMPILER_VALUE_HELPER_H_
 
 #include "src/compiler/common-operator.h"
 #include "src/compiler/node.h"
 #include "src/compiler/node-matchers.h"
@@ skipping 55 matching lines @@
                                     -1.22813e+35f,
                                     -1.20555e+35f,
                                     -1.34584e+34f,
                                     -1.0079e+32f,
                                     -6.49364e+26f,
                                     -3.06077e+25f,
                                     -1.46821e+25f,
                                     -1.17658e+23f,
                                     -1.9617e+22f,
                                     -2.7357e+20f,
+                                    -9223372036854775808.0f,

[Michael Starzinger, 2015/12/16 13:01:29]

nit: Placement looks random, can we move it up or down? Also use a name if this
is derived from INT64_MIN/MAX here as well.

                                     -1.48708e+13f,
                                     -1.89633e+12f,
                                     -4.66622e+11f,
                                     -2.22581e+11f,
                                     -1.45381e+10f,
                                     -1.3956e+09f,
                                     -1.32951e+09f,
                                     -1.30721e+09f,
                                     -1.19756e+09f,
                                     -9.26822e+08f,
@@ skipping 74 matching lines @@
                                     3.31899e+38f,
                                     3.40282e+38f,
                                     std::numeric_limits<float>::infinity(),
                                     nan,
                                     -nan};
     return std::vector<float>(&kValues[0], &kValues[arraysize(kValues)]);
   }
 
   static std::vector<double> float64_vector() {
     static const double nan = std::numeric_limits<double>::quiet_NaN();
-    static const double values[] = {0.125,
-                                    0.25,
-                                    0.375,
-                                    0.5,
-                                    -0.5,
-                                    1.25,
-                                    -1.75,
-                                    2,
-                                    5.125,
-                                    6.25,
-                                    0.0,
-                                    -0.0,
-                                    982983.25,
-                                    888,
-                                    2147483647.0,
-                                    -999.75,
-                                    3.1e7,
-                                    -2e66,
-                                    2e66,
-                                    3e-88,
-                                    -2147483648.0,
-                                    V8_INFINITY,
-                                    -V8_INFINITY,
-                                    -nan,
-                                    nan,
-                                    2147483647.375,
-                                    2147483647.75,
-                                    2147483648.0,
-                                    2147483648.25,
-                                    2147483649.25,
-                                    -2147483647.0,
-                                    -2147483647.125,
-                                    -2147483647.875,
-                                    -2147483648.25,
-                                    -2147483649.5};
+    static const double values[] = {
+        0.125,
+        0.25,
+        0.375,
+        0.5,
+        -0.5,
+        1.25,
+        -1.75,
+        2,
+        5.125,
+        6.25,
+        0.0,
+        -0.0,
+        982983.25,
+        888,
+        2147483647.0,
+        -999.75,
+        3.1e7,
+        -2e66,
+        2e66,
+        3e-88,
+        -2147483648.0,
+        V8_INFINITY,
+        -V8_INFINITY,
+        -nan,
+        nan,
+        2147483647.375,
+        2147483647.75,
+        2147483648.0,
+        2147483648.25,
+        2147483649.25,
+        -2147483647.0,
+        -2147483647.125,
+        -2147483647.875,
+        -2147483648.25,
+        -2147483649.5,
+        -9223373136366403584.0f,
+        -9223372036854775808.0f,
+    };
     return std::vector<double>(&values[0], &values[arraysize(values)]);
   }
 
   static const std::vector<int32_t> int32_vector() {
     std::vector<uint32_t> values = uint32_vector();
     return std::vector<int32_t>(values.begin(), values.end());
   }
 
   static const std::vector<uint32_t> uint32_vector() {
     static const uint32_t kValues[] = {
@@ skipping 78 matching lines @@
 
 #define FOR_INT32_SHIFTS(var) for (int32_t var = 0; var < 32; var++)
 
 #define FOR_UINT32_SHIFTS(var) for (uint32_t var = 0; var < 32; var++)
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_CCTEST_COMPILER_VALUE_HELPER_H_