diff options
Diffstat (limited to 'gcc/testsuite/g++.dg/warn/Wunused-parm-1.C')
-rw-r--r-- | gcc/testsuite/g++.dg/warn/Wunused-parm-1.C | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/warn/Wunused-parm-1.C b/gcc/testsuite/g++.dg/warn/Wunused-parm-1.C new file mode 100644 index 00000000000..08bfaa66bbb --- /dev/null +++ b/gcc/testsuite/g++.dg/warn/Wunused-parm-1.C @@ -0,0 +1,58 @@ +// { dg-do compile } +// { dg-options "-Wunused -W" } + +long +f1 (unsigned long long x) +{ + unsigned long long a = 1; + const union { unsigned long long l; unsigned int p[2]; } b = { x }; + const union { unsigned long long l; unsigned int p[2]; } c = { a }; + return b.p[0] + c.p[0]; +} + +int +f2 (int x, int y) +{ + int a = 1; + int b[] = { 1, 2, x, a, 3, 4 }; + return b[y]; +} + +int +f3 (int a) // { dg-warning "unused parameter" } +{ + return 0; +} + +int +f4 (int a) // { dg-warning "set but not used" } +{ + a = 1; + return 0; +} + +int +f5 (int a) +{ + a = 1; + return a; +} + +int +f6 (int &a) +{ + return a; +} + +void +f7 (int &a) +{ + a = 1; +} + +struct S +{ + S (int i) : j(i) {} + S (long i) : j(i + 1) {} + int j; +}; |