deps: downgrade v8 to 3.14.5

V8 3.15 and newer have stability and performance issues. Roll back to
a known-good version.

1 files changed, 3 insertions, 12 deletions

diff --git a/deps/v8/src/arm/constants-arm.h b/deps/v8/src/arm/constants-arm.h
index a569383f24..4fa49e3d3c 100644
--- a/deps/v8/src/arm/constants-arm.h
+++ b/deps/v8/src/arm/constants-arm.h
@@ -84,18 +84,9 @@ namespace v8 {
 namespace internal {
 
 // Constant pool marker.
-// Use UDF, the permanently undefined instruction.
-const int kConstantPoolMarkerMask = 0xfff000f0;
-const int kConstantPoolMarker = 0xe7f000f0;
-const int kConstantPoolLengthMaxMask = 0xffff;
-inline int EncodeConstantPoolLength(int length) {
-  ASSERT((length & kConstantPoolLengthMaxMask) == length);
-  return ((length & 0xfff0) << 4) | (length & 0xf);
-}
-inline int DecodeConstantPoolLength(int instr) {
-  ASSERT((instr & kConstantPoolMarkerMask) == kConstantPoolMarker);
-  return ((instr >> 4) & 0xfff0) | (instr & 0xf);
-}
+const int kConstantPoolMarkerMask = 0xffe00000;
+const int kConstantPoolMarker = 0x0c000000;
+const int kConstantPoolLengthMask = 0x001ffff;
 
 // Number of registers in normal ARM mode.
 const int kNumRegisters = 16;