212   bool may_overflow = false;  // Overflow is ignored here.  in AddConstant()  local
214   lower_ = AddWithoutOverflow(r, lower_, value, &may_overflow);  in AddConstant()
215   upper_ = AddWithoutOverflow(r, upper_, value, &may_overflow);  in AddConstant()
275   bool may_overflow = false;  in AddAndCheckOverflow()  local
276   lower_ = AddWithoutOverflow(r, lower_, other->lower(), &may_overflow);  in AddAndCheckOverflow()
277   upper_ = AddWithoutOverflow(r, upper_, other->upper(), &may_overflow);  in AddAndCheckOverflow()
278   if (may_overflow) {  in AddAndCheckOverflow()
286   return may_overflow;  in AddAndCheckOverflow()
291   bool may_overflow = false;  in SubAndCheckOverflow()  local
292   lower_ = SubWithoutOverflow(r, lower_, other->upper(), &may_overflow);  in SubAndCheckOverflow()
293   upper_ = SubWithoutOverflow(r, upper_, other->lower(), &may_overflow);  in SubAndCheckOverflow()
294   if (may_overflow) {  in SubAndCheckOverflow()
302   return may_overflow;  in SubAndCheckOverflow()
327   bool may_overflow = false;  in MulAndCheckOverflow()  local
328   int v1 = MulWithoutOverflow(r, lower_, other->lower(), &may_overflow);  in MulAndCheckOverflow()
329   int v2 = MulWithoutOverflow(r, lower_, other->upper(), &may_overflow);  in MulAndCheckOverflow()
330   int v3 = MulWithoutOverflow(r, upper_, other->lower(), &may_overflow);  in MulAndCheckOverflow()
331   int v4 = MulWithoutOverflow(r, upper_, other->upper(), &may_overflow);  in MulAndCheckOverflow()
332   if (may_overflow) {  in MulAndCheckOverflow()
341   return may_overflow;  in MulAndCheckOverflow()