1 /* Test for a bogus warning on comparison between signed and unsigned.
2 This was inspired by code in gcc. */
4 /* { dg-do compile } */
5 /* { dg-options "-Wsign-compare" } */
6 /* This test would fail on targets with short enums being default. See
8 /* { dg-skip-if "" { arm*-*-eabi* arm*-*-symbianelf* } { "*" } { "" } } */
12 /* This enumeration has an explicit negative value and is therefore signed. */
15 VOID, SI, DI, MAX = -1
18 /* This enumeration fits entirely in a signed int, but is unsigned anyway. */
26 return x == (tf?DI:SI); /* { dg-bogus "signed and unsigned" "case 1" } */
31 return x == (tf?DI:-1); /* { dg-bogus "signed and unsigned" "case 2" } */
36 return x == (tf?DI2:SI2); /* { dg-bogus "signed and unsigned" "case 3" } */
41 return x == (tf?DI2:-1); /* { dg-warning "signed and unsigned" "case 4" } */