Mercurial > hg > CbC > CbC_gcc
diff gcc/testsuite/g++.dg/warn/Wsign-conversion-5.C @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
---|---|
date | Thu, 13 Feb 2020 11:34:05 +0900 |
parents | |
children |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gcc/testsuite/g++.dg/warn/Wsign-conversion-5.C Thu Feb 13 11:34:05 2020 +0900 @@ -0,0 +1,18 @@ +// PR c++/87519 - bogus warning with -Wsign-conversion. +// { dg-options "-Wsign-conversion" } + +typedef unsigned long int uint64_t; + +void f(unsigned long int a, int q) +{ + a += a + q; // { dg-warning "may change the sign" } + + // Explicit cast should disable the warning. + a = a + static_cast<uint64_t>(q); + a = a + (uint64_t) q; + a = a + uint64_t(q); + a = a + static_cast<const uint64_t>(q); + a = a + (const uint64_t) q; + a = a + static_cast<unsigned long int>(q); + a = a + static_cast<const unsigned long int>(q); +}