Viewing file:  show-template-tree.C (1.71 KB) -rw-r--r--
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// { dg-options "-fdiagnostics-show-template-tree" }
template<typename> struct vector {};
template<typename, typename> struct map {};
template<int> struct arr {};
void fn_1(vector<int>);
void fn_2(map<int, int>);
void fn_3(vector<map<int, float> >);
void takes_arr_10 (arr<10>);
void test ()
{
fn_1 (vector<int> ());
fn_1 (42); // { dg-error "could not convert '42' from 'int' to 'vector<int>'" }
fn_1 (vector<double> ()); // { dg-error "could not convert .* from 'vector<double>' to 'vector<int>'" }
/* { dg-begin-multiline-output "" }
vector<
[double != int]>
{ dg-end-multiline-output "" } */
fn_1 (map<int, int> ()); // { dg-error "could not convert .* from 'map<int, int>' to 'vector<int>'" }
fn_2 (map<int, int>());
fn_2 (map<int, double>()); // { dg-error "could not convert .* from 'map<.\\.\\.\\..,double>. to .map<.\\.\\.\\..,int>'" }
/* { dg-begin-multiline-output "" }
map<
[...],
[double != int]>
{ dg-end-multiline-output "" } */
fn_2 (map<double, double>()); // { dg-error "could not convert .* from .map<double,double>. to .map<int,int>." }
/* { dg-begin-multiline-output "" }
map<
[double != int],
[double != int]>
{ dg-end-multiline-output "" } */
fn_3 (vector<map<int, float> >());
fn_3 (vector<map<int, double> >()); // { dg-error "could not convert .* from 'vector<map<.\\.\\.\\..,double>>' to 'vector<map<.\\.\\.\\..,float>>'" }
/* { dg-begin-multiline-output "" }
vector<
map<
[...],
[double != float]>>
{ dg-end-multiline-output "" } */
takes_arr_10 (arr<5>()); // { dg-error "could not convert '.*' from 'arr<5>' to 'arr<10>'" }
/* { dg-begin-multiline-output "" }
arr<
[5 != 10]>
{ dg-end-multiline-output "" } */
}
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