Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/warn/Wcatch-value-3b.C @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
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date | Thu, 13 Feb 2020 11:34:05 +0900 |
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// { dg-options "-Wcatch-value=3" } struct A { virtual ~A() {} }; struct B : A {}; struct C {}; struct D : C {}; void foo() { try {} catch (D d) {} // { dg-warning "12:catching type" } catch (C c) {} // { dg-warning "12:catching type" } catch (B b) {} // { dg-warning "12:catching polymorphic type" } catch (A a) {} // { dg-warning "12:catching polymorphic type" } catch (A* a) {} // { dg-warning "13:catching non-reference type" } catch (int i) {} // { dg-warning "14:catching non-reference type" } try {} catch (D& d) {} catch (C& c) {} catch (B& b) {} catch (A& a) {} catch (A* a) {} // { dg-warning "13:catching non-reference type" } catch (int& i) {} } template<typename T> void foo1() { try {} catch (T t) {} // { dg-warning "12:catching" } } template<typename T> void foo2() { try {} catch (T* t) {} // { dg-warning "13: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" } }