do { \
DO_ASTK_HWM(); /* ticky-ticky profiling */ \
DO_BSTK_HWM(); \
- if (STKS_OVERFLOW_OP((a_headroom) + 1, (b_headroom) + 1)) { \
+ if (STKS_OVERFLOW_OP(((a_headroom) + 1), ((b_headroom) + 1))) { \
STACK_OVERFLOW(liveness_mask,a_headroom,b_headroom,spa,spb,ret_type,reenter);\
} \
}while(0)