http://llvm.org/bugs/show_bug.cgi?id=7102
Summary: Clang fails to pack template containing packed union
Product: clang
Version: trunk
Platform: PC
OS/Version: All
Status: NEW
Severity: normal
Priority: P
Component: C++
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected], [email protected]
dhcp-172-31-154-126:~/src/llvm/clang/obj$ cat ~/tmp/test.cc
#include <stdio.h>
class NotTpl {
public:
union {
char space[11];
void* ptr;
} __attribute__((packed));
};
template<size_t N>
class Tpl {
public:
union {
char space[N];
void* ptr;
} __attribute__((packed));
};
int main() {
printf("%zd\n", sizeof(NotTpl));
printf("%zd\n", sizeof(Tpl<11>));
}
dhcp-172-31-154-126:~/src/llvm/clang/obj$ g++ ~/tmp/test.cc && ./a.out
11
11
dhcp-172-31-154-126:~/src/llvm/clang/obj$ Debug/bin/clang++ ~/tmp/test.cc &&
./a.out
11
12
dhcp-172-31-154-126:~/src/llvm/clang/obj$
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