1 // RUN: %clang_cc1 %s -E -verify
2 
3 #define INTMAX_MIN (-9223372036854775807LL -1)
4 
5 #if (-42 + 0U) /* expected-warning {{left side of operator converted from negative value to unsigned: -42 to 18446744073709551574}} */  \
6   / -2         /* expected-warning {{right side of operator converted from negative value to unsigned: -2 to 18446744073709551614}} */
7 foo
8 #endif
9 
10 // Shifts don't want the usual conversions: PR2279
11 #if (2 << 1U) - 30 >= 0
12 #error
13 #endif
14 
15