Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/warn/Wcatch-value-3.C @ 158:494b0b89df80 default tip
...
author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
---|---|
date | Mon, 25 May 2020 18:13:55 +0900 |
parents | 1830386684a0 |
children |
line wrap: on
line source
// { dg-options "-Wcatch-value=3" } struct A { virtual ~A() {} }; struct B : A {}; struct C {}; struct D : C {}; void foo() { try {} catch (D) {} // { dg-warning "10:catching type" } catch (C) {} // { dg-warning "10:catching type" } catch (B) {} // { dg-warning "10:catching polymorphic type" } catch (A) {} // { dg-warning "10:catching polymorphic type" } catch (A*) {} // { dg-warning "catching non-reference type" } catch (int) {} // { dg-warning "10:catching non-reference type" } try {} catch (D&) {} catch (C&) {} catch (B&) {} catch (A&) {} catch (A*) {} // { dg-warning "catching non-reference type" } catch (int&) {} } template<typename T> void foo1() { try {} catch (T) {} // { dg-warning "10:catching" } } template<typename T> void foo2() { try {} catch (T*) {} // { dg-warning "catching non-reference type" } try {} catch (T&) {} try {} catch (const T&) {} } void bar() { foo1<int&>(); foo1<const A&>(); foo1<B&>(); foo1<const C&>(); foo1<D&>(); foo1<int>(); // { dg-message "required" } foo1<A>(); // { dg-message "required" } foo1<B>(); // { dg-message "required" } foo1<C>(); // { dg-message "required" } foo1<D>(); // { dg-message "required" } foo2<int>(); // { dg-message "required" } foo2<A>(); // { dg-message "required" } foo2<B>(); // { dg-message "required" } foo2<C>(); // { dg-message "required" } foo2<D>(); // { dg-message "required" } }