http://llvm.org/bugs/show_bug.cgi?id=21755
Bug ID: 21755
Summary: In-class initialization with template function call
fails to compile
Product: clang
Version: 3.3
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: C++11
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected]
Classification: Unclassified
template<typename T, typename U> int f()
{
return 42;
}
struct C
{
int v=f<int,int>();
};
int main() { return 0; }
This fails to compile:
$ clang -std=c++11 inclass_init_template.cpp
inclass_init_template.cpp:8:15: error: expected member name or ';' after
declaration specifiers
int v=f<int,int>();
~~~ ^
inclass_init_template.cpp:8:15: error: expected ';' at end of declaration list
int v=f<int,int>();
^
;
inclass_init_template.cpp:8:14: error: expected '>'
int v=f<int,int>();
^
3 errors generated.
It compiles
- if there is one template parameter,
- or if the initialization is placed in the initializer list of a constructor
- or if the same declaration is used to declare a local variable
- or if the function is made to have parameters and its template arguments are
deduced from the parameters,
- or if GCC 4.8.3 is used instead of clang.
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