/* Test for a bogus warning on comparison between signed and unsigned. This was inspired by code in gcc. */ /* { dg-do compile } */ /* { dg-options "-Wsign-compare" } */ int tf = 1; void f(int x, unsigned int y) { /* Test comparing conditional expressions containing truth values. This can occur explicitly, or e.g. when (foo?2:(bar?1:0)) is optimized into (foo?2:(bar!=0)). */ x > (tf?64:(tf!=x)); /* { dg-bogus "signed and unsigned" "case 1" } */ y > (tf?64:(tf!=x)); /* { dg-bogus "signed and unsigned" "case 2" } */ x > (tf?(tf!=x):64); /* { dg-bogus "signed and unsigned" "case 3" } */ y > (tf?(tf!=x):64); /* { dg-bogus "signed and unsigned" "case 4" } */ x > (tf?64:(tf==x)); /* { dg-bogus "signed and unsigned" "case 5" } */ y > (tf?64:(tf==x)); /* { dg-bogus "signed and unsigned" "case 6" } */ x > (tf?(tf==x):64); /* { dg-bogus "signed and unsigned" "case 7" } */ y > (tf?(tf==x):64); /* { dg-bogus "signed and unsigned" "case 8" } */ x > (tf?64:(tf>x)); /* { dg-bogus "signed and unsigned" "case 9" } */ y > (tf?64:(tf>x)); /* { dg-bogus "signed and unsigned" "case 10" } */ x > (tf?(tf>x):64); /* { dg-bogus "signed and unsigned" "case 11" } */ y > (tf?(tf>x):64); /* { dg-bogus "signed and unsigned" "case 12" } */ x < (tf?64:(tf (tf?64:(tf>=x)); /* { dg-bogus "signed and unsigned" "case 17" } */ y > (tf?64:(tf>=x)); /* { dg-bogus "signed and unsigned" "case 18" } */ x > (tf?(tf>=x):64); /* { dg-bogus "signed and unsigned" "case 19" } */ y > (tf?(tf>=x):64); /* { dg-bogus "signed and unsigned" "case 20" } */ x > (tf?64:(tf<=x)); /* { dg-bogus "signed and unsigned" "case 21" } */ y > (tf?64:(tf<=x)); /* { dg-bogus "signed and unsigned" "case 22" } */ x > (tf?(tf<=x):64); /* { dg-bogus "signed and unsigned" "case 23" } */ y > (tf?(tf<=x):64); /* { dg-bogus "signed and unsigned" "case 24" } */ x > (tf?64:(tf&&x)); /* { dg-bogus "signed and unsigned" "case 25" } */ y > (tf?64:(tf&&x)); /* { dg-bogus "signed and unsigned" "case 26" } */ x > (tf?(tf&&x):64); /* { dg-bogus "signed and unsigned" "case 27" } */ y > (tf?(tf&&x):64); /* { dg-bogus "signed and unsigned" "case 28" } */ x > (tf?64:(tf||x)); /* { dg-bogus "signed and unsigned" "case 29" } */ y > (tf?64:(tf||x)); /* { dg-bogus "signed and unsigned" "case 30" } */ x > (tf?(tf||x):64); /* { dg-bogus "signed and unsigned" "case 31" } */ y > (tf?(tf||x):64); /* { dg-bogus "signed and unsigned" "case 32" } */ x > (tf?64:(!tf)); /* { dg-bogus "signed and unsigned" "case 33" } */ y > (tf?64:(!tf)); /* { dg-bogus "signed and unsigned" "case 34" } */ x > (tf?(!tf):64); /* { dg-bogus "signed and unsigned" "case 35" } */ y > (tf?(!tf):64); /* { dg-bogus "signed and unsigned" "case 36" } */ }