MIPS64: Fix hidden bug in relocations for j and jal.

src/mips64/macro-assembler-mips64.cc

Index: src/mips64/macro-assembler-mips64.cc
diff --git a/src/mips64/macro-assembler-mips64.cc b/src/mips64/macro-assembler-mips64.cc
index 83f1a783ff43889a66423c1e3702e1eda187ffd4..b6dc240c498d9cffe8dc2141d11b24e5f38ae71e 100644
--- a/src/mips64/macro-assembler-mips64.cc
+++ b/src/mips64/macro-assembler-mips64.cc
@@ -3193,15 +3193,12 @@ void MacroAssembler::Ret(Condition cond,
 
 void MacroAssembler::J(Label* L, BranchDelaySlot bdslot) {
   BlockTrampolinePoolScope block_trampoline_pool(this);
-
-  uint64_t imm28;
-  imm28 = jump_address(L);
   {
     BlockGrowBufferScope block_buf_growth(this);
     // Buffer growth (and relocation) must be blocked for internal references
     // until associated instructions are emitted and available to be patched.
     RecordRelocInfo(RelocInfo::INTERNAL_REFERENCE_ENCODED);
-    j(imm28);
+    j(L);
   }
   // Emit a nop in the branch delay slot if required.
   if (bdslot == PROTECT) nop();
@@ -3210,15 +3207,12 @@ void MacroAssembler::J(Label* L, BranchDelaySlot bdslot) {
 
 void MacroAssembler::Jal(Label* L, BranchDelaySlot bdslot) {
   BlockTrampolinePoolScope block_trampoline_pool(this);
-
-  uint64_t imm28;
-  imm28 = jump_address(L);
   {
     BlockGrowBufferScope block_buf_growth(this);
     // Buffer growth (and relocation) must be blocked for internal references
     // until associated instructions are emitted and available to be patched.
     RecordRelocInfo(RelocInfo::INTERNAL_REFERENCE_ENCODED);
-    jal(imm28);
+    jal(L);
   }
   // Emit a nop in the branch delay slot if required.
   if (bdslot == PROTECT) nop();