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comparison gcc/testsuite/g++.dg/warn/Wsign-conversion-5.C @ 145:1830386684a0

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gcc-9.2.0
author anatofuz
date Thu, 13 Feb 2020 11:34:05 +0900
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131:84e7813d76e9 145:1830386684a0
1 // PR c++/87519 - bogus warning with -Wsign-conversion.
2 // { dg-options "-Wsign-conversion" }
3
4 typedef unsigned long int uint64_t;
5
6 void f(unsigned long int a, int q)
7 {
8 a += a + q; // { dg-warning "may change the sign" }
9
10 // Explicit cast should disable the warning.
11 a = a + static_cast<uint64_t>(q);
12 a = a + (uint64_t) q;
13 a = a + uint64_t(q);
14 a = a + static_cast<const uint64_t>(q);
15 a = a + (const uint64_t) q;
16 a = a + static_cast<unsigned long int>(q);
17 a = a + static_cast<const unsigned long int>(q);
18 }