http://llvm.org/bugs/show_bug.cgi?id=12170
Bug #: 12170
Summary: anonymous union can not be defined in a type specifier
Product: clang
Version: trunk
Platform: PC
OS/Version: Linux
Status: NEW
Severity: enhancement
Priority: P
Component: C++
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected], [email protected]
Classification: Unclassified
# g++ -std=gnu++98 ../test.cc
#
# clang++ -std=gnu++98 ../test.cc
In file included from ../test.cc:3:
../test.h:13:21: error: 'FUX::IX::<anonymous union at ../test.h:13:21>' can not
be defined in a type specifier
return weight != HUGE_VALF;
^
../test.h:5:19: note: expanded from macro 'HUGE_VALF'
#define HUGE_VALF __MAKE_FLOAT(0x7800000)
^
../test.h:4:28: note: expanded from macro '__MAKE_FLOAT'
#define __MAKE_FLOAT(i) (((union { int __i; float __f; }){ i }).__f)
^
1 error generated.
#define __MAKE_FLOAT(i) (((union { int __i; float __f; }){ i }).__f)
#define HUGE_VALF __MAKE_FLOAT(0x7800000)
namespace FUX {
class IX {
private:
float weight;
public:
bool isSpillable() const {
return weight != HUGE_VALF;
}
};
};
----------------------
#include <stdio.h>
#include "test.h"
using namespace FUX;
int main() {
IX x;
printf("%d\n", x.isSpillable());
}
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