Bug 1128820 - IonMonkey: MIPS: Fix checkStackAlignment break code conflict with call c++ tag. r=rankov

js/src/jit/mips/Assembler-mips.h

@@ -244,6 +244,7 @@ static const uint32_t SAMask = ((1 << SABits) - 1) << SAShift;
 static const uint32_t FunctionMask = ((1 << FunctionBits) - 1) << FunctionShift;
 static const uint32_t RegMask = Registers::Total - 1;
 
+static const uint32_t BREAK_STACK_UNALIGNED = 1;
 static const uint32_t MAX_BREAK_CODE = 1024 - 1;
 
 class Instruction;

js/src/jit/mips/MacroAssembler-mips.cpp

@@ -3355,7 +3355,7 @@ MacroAssemblerMIPSCompat::checkStackAlignment()
     Label aligned;
     as_andi(ScratchRegister, sp, ABIStackAlignment - 1);
     ma_b(ScratchRegister, zero, &aligned, Equal, ShortJump);
-    as_break(MAX_BREAK_CODE);
+    as_break(BREAK_STACK_UNALIGNED);
     bind(&aligned);
 #endif
 }