https://bugs.llvm.org/show_bug.cgi?id=40266
Bug ID: 40266
Summary: instantiating a non-type class template with
no-linkage object as argument cause clang to crash
Product: clang
Version: 2.6
Hardware: Macintosh
OS: MacOS X
Status: NEW
Severity: normal
Priority: P
Component: C++
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected],
[email protected], [email protected],
[email protected]
Created attachment 21305
--> https://bugs.llvm.org/attachment.cgi?id=21305&action=edit
crash backtrace
struct StringObject{
constexpr StringObject(const char*ptr){}
};
template<StringObject const&stringObject>
struct String{};
int main(){
String<StringObject{"string"}> obj{};
}
a non-type class template with reference or pointer type must instantiate a
different class templates for each object that get passed to it as an argument
with the above code clang get crashed trying to instantiate a class template
instance with an object with no linkage
****NOTE****: clang is working fine and producing an error with
(-std=c++11,-std=c++14) and don't crash but crash when compiling the code with
(-std=++1z)
the above source code was compiled with only (-std=c++1z) compiler flag
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