https://llvm.org/bugs/show_bug.cgi?id=24211
Bug ID: 24211
Summary: candidate template ignored: substitution failure(error
with clang but not with g++)
Product: new-bugs
Version: unspecified
Hardware: PC
OS: Windows NT
Status: NEW
Severity: normal
Priority: P
Component: new bugs
Assignee: unassignedb...@nondot.org
Reporter: 1532708...@qq.com
CC: llvmbugs@cs.uiuc.edu
Classification: Unclassified
// g++ compiles the next code, but clang++ not
template<int dim, int loop>
class Reference{
public:
//...
template<int r, int c> using matrix_t = int[r][c];
Reference(const matrix_t<dim, loop> &mat){}
};
template<int dim, int loop>
class Partition{
// ...
public:
// ...
template<int r, int c> using matrix = int[r][c];
template<int r, int c> void readPattern(const matrix<r,c> &pattern)
{
// ...
}
// ...
};
int main()
{
// ...
const int DENOISE_UR[3][4] = {/*...*/};
Partition<1,2> partition;
partition.readPattern(DENOISE_UR);
// ...
}
/////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////
// only move one of the alias template ahead of the two class definition
// g++ compiles the next code, so as clang++
template<int r, int c> using matrix = int[r][c];
template<int dim, int loop>
class Reference{
public:
//...
template<int r, int c> using matrix_t = int[r][c];
Reference(const matrix_t<dim, loop> &mat){}
};
template<int dim, int loop>
class Partition{
// ...
public:
// ...
template<int r, int c> void readPattern(const matrix<r,c> &pattern)
{
// ...
}
// ...
};
int main()
{
// ...
const int DENOISE_UR[3][4] = {/*...*/};
Partition<1,2> partition;
partition.readPattern(DENOISE_UR);
// ...
}
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