1 // PR c++/81429 - wrong parsing of constructor with C++11 attribute. 2 // { dg-do compile { target c++11 } } 3 // { dg-additional-options "-Wunused-parameter -Wno-pedantic" } 4 fn1(int a)5void fn1([[maybe_unused]] int a) { } fn2(int a)6void fn2(int a [[maybe_unused]]) { } fn3(int a)7void fn3(__attribute__((unused)) int a) { } fn4(int a)8void fn4(int a __attribute__((unused))) { } 9 10 struct S1 { S1S111 S1([[maybe_unused]] int a) { } 12 }; 13 14 struct S2 { S2S215 S2([[maybe_unused]] int f, [[maybe_unused]] int a) { } 16 }; 17 18 struct S3 { S3S319 S3(int a [[maybe_unused]]) { } 20 }; 21 22 struct S4 { S4S423 S4(int f [[maybe_unused]], int a [[maybe_unused]]) { } 24 }; 25 26 struct S5 { S5S527 S5(__attribute__((unused)) int a) { } 28 }; 29 30 struct S6 { S6S631 S6(__attribute__((unused)) int f, __attribute__((unused)) int a) { } 32 }; 33 34 struct S7 { S7S735 S7(int a __attribute__((unused))) { } 36 }; 37 38 struct S8 { S8S839 S8(int f __attribute__((unused)), int a __attribute__((unused))) { } 40 }; 41