Reviewers: jochen (slow),

Description:
Version 3.30.33.13 (cherry-pick)

Merged 13449b66231b323468487ed1525b516ff6c489df

ARM: check immediate overflow in branch and mov_label_offset in release mode to
catch crashes earlier.

BUG=chromium:440913
LOG=N
[email protected]

Please review this at https://codereview.chromium.org/821213002/

Base URL: https://chromium.googlesource.com/v8/[email protected]

Affected files (+5, -5 lines):
  M src/arm/assembler-arm.cc
  M src/version.cc


Index: src/arm/assembler-arm.cc
diff --git a/src/arm/assembler-arm.cc b/src/arm/assembler-arm.cc
index 17bf4f93ac7b7a5cf054f7afeadf06b8af3ee245..c7b91c58493efee7381a43ac5724695afa6f9825 100644
--- a/src/arm/assembler-arm.cc
+++ b/src/arm/assembler-arm.cc
@@ -1338,7 +1338,7 @@ int Assembler::branch_offset(Label* L, bool jump_elimination_allowed) {
 void Assembler::b(int branch_offset, Condition cond) {
   DCHECK((branch_offset & 3) == 0);
   int imm24 = branch_offset >> 2;
-  DCHECK(is_int24(imm24));
+  CHECK(is_int24(imm24));
   emit(cond | B27 | B25 | (imm24 & kImm24Mask));

   if (cond == al) {
@@ -1352,7 +1352,7 @@ void Assembler::bl(int branch_offset, Condition cond) {
   positions_recorder()->WriteRecordedPositions();
   DCHECK((branch_offset & 3) == 0);
   int imm24 = branch_offset >> 2;
-  DCHECK(is_int24(imm24));
+  CHECK(is_int24(imm24));
   emit(cond | B27 | B25 | B24 | (imm24 & kImm24Mask));
 }

@@ -1362,7 +1362,7 @@ void Assembler::blx(int branch_offset) { // v5 and above
   DCHECK((branch_offset & 1) == 0);
   int h = ((branch_offset & 2) >> 1)*B24;
   int imm24 = branch_offset >> 2;
-  DCHECK(is_int24(imm24));
+  CHECK(is_int24(imm24));
   emit(kSpecialCondition | B27 | B25 | h | (imm24 & kImm24Mask));
 }

@@ -1504,7 +1504,7 @@ void Assembler::mov_label_offset(Register dst, Label* label) {
     //
// When the label gets bound: target_at extracts the link and target_at_put
     // patches the instructions.
-    DCHECK(is_uint24(link));
+    CHECK(is_uint24(link));
     BlockConstPoolScope block_const_pool(this);
     emit(link);
     nop(dst.code());
Index: src/version.cc
diff --git a/src/version.cc b/src/version.cc
index 63f7b62076c797a0f582834126c500c86925140f..81515d1aea34f4f91dce80d63b7b13dc0e8e65bc 100644
--- a/src/version.cc
+++ b/src/version.cc
@@ -35,7 +35,7 @@
 #define MAJOR_VERSION     3
 #define MINOR_VERSION     30
 #define BUILD_NUMBER      33
-#define PATCH_LEVEL       12
+#define PATCH_LEVEL       13
 // Use 1 for candidates and 0 otherwise.
 // (Boolean macro values are not supported by all preprocessors.)
 #define IS_CANDIDATE_VERSION 0


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