xref: /minix3/external/bsd/llvm/dist/clang/test/SemaCXX/new-array-size-conv.cpp (revision f4a2713ac843a11c696ec80c0a5e3e5d80b4d338)
1*f4a2713aSLionel Sambuc // RUN: %clang_cc1 -fsyntax-only -pedantic -verify %s
2*f4a2713aSLionel Sambuc 
3*f4a2713aSLionel Sambuc struct ValueInt
4*f4a2713aSLionel Sambuc {
ValueIntValueInt5*f4a2713aSLionel Sambuc   ValueInt(int v = 0) : ValueLength(v) {}
operator intValueInt6*f4a2713aSLionel Sambuc   operator int () const { return ValueLength; } // expected-note 3{{conversion to integral type 'int' declared here}}
7*f4a2713aSLionel Sambuc private:
8*f4a2713aSLionel Sambuc   int ValueLength;
9*f4a2713aSLionel Sambuc };
10*f4a2713aSLionel Sambuc 
11*f4a2713aSLionel Sambuc enum E { e };
12*f4a2713aSLionel Sambuc struct ValueEnum {
13*f4a2713aSLionel Sambuc   operator E() const; // expected-note{{conversion to enumeration type 'E' declared here}}
14*f4a2713aSLionel Sambuc };
15*f4a2713aSLionel Sambuc 
16*f4a2713aSLionel Sambuc struct ValueBoth : ValueInt, ValueEnum { };
17*f4a2713aSLionel Sambuc 
18*f4a2713aSLionel Sambuc struct IndirectValueInt : ValueInt { };
19*f4a2713aSLionel Sambuc struct TwoValueInts : ValueInt, IndirectValueInt { };
20*f4a2713aSLionel Sambuc 
test()21*f4a2713aSLionel Sambuc void test() {
22*f4a2713aSLionel Sambuc   (void)new int[ValueInt(10)]; // expected-warning{{implicit conversion from array size expression of type 'ValueInt' to integral type 'int' is a C++11 extension}}
23*f4a2713aSLionel Sambuc   (void)new int[ValueEnum()]; // expected-warning{{implicit conversion from array size expression of type 'ValueEnum' to enumeration type 'E' is a C++11 extension}}
24*f4a2713aSLionel Sambuc   (void)new int[ValueBoth()]; // expected-error{{ambiguous conversion of array size expression of type 'ValueBoth' to an integral or enumeration type}}
25*f4a2713aSLionel Sambuc 
26*f4a2713aSLionel Sambuc   (void)new int[TwoValueInts()]; // expected-error{{ambiguous conversion of array size expression of type 'TwoValueInts' to an integral or enumeration type}}
27*f4a2713aSLionel Sambuc }
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