clang/test/Preprocessor/expr_usual_conversions.c

   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