(root)/
gcc-13.2.0/
gcc/
testsuite/
gcc.dg/
cpp/
warn-multichar.c
       1  // { dg-do preprocess }
       2  // { dg-options "-std=gnu99 -fdiagnostics-show-option -Wmultichar" }
       3  
       4  #if 'ab'  // { dg-warning "multi-character character constant .-Wmultichar." }
       5  #endif