http://www.llvm.org/bugs/show_bug.cgi?id=6384
Summary: initialized if it is a static const integral data
member
Product: clang
Version: trunk
Platform: PC
OS/Version: Linux
Status: NEW
Severity: enhancement
Priority: P5
Component: C++
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
Estimated Hours: 0.0
Getting another piece of production code to compile the next error is:
test.cc:5:26: error: in-class initializer has non-integral, non-enumeration
type 'double'
While the type is a double in this case. This is tested in the clang testsuite:
test/SemaTemplate/instantiate-static-var.cpp
template<typename T>
class Y {
static const T value = 0; // expected-error{{'value' can only be initialized
if it is a static const integral data member}}
};
Y<float> fy; // expected-note{{in instantiation of template class 'class
Y<float>' requested here}}
G++, even including the latest 4.4, does not even warn about this on neither
-Wall, nor -Wextra, only with -pedantic. I assume due to this other POD
initialization, especially of FP types will occur in quite some shipping code
and thus suggest making it a warning by default, likewise.
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