STAGE2_CFLAGS += -fsanitize=address
STAGE3_CFLAGS += -fsanitize=address
POSTSTAGE1_LDFLAGS += -fsanitize=address -static-libasan \
STAGE2_CFLAGS += -fsanitize=address
STAGE3_CFLAGS += -fsanitize=address
POSTSTAGE1_LDFLAGS += -fsanitize=address -static-libasan \