https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66060
Bug ID: 66060
Summary: struct member allocation off.
Product: gcc
Version: unknown
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: darpeer at hotmail dot com
Target Milestone: ---
Using gdb, two struct members end up at the same offset.
gcc (GCC) 6.0.0 20150418 (experimental) and older.
gcc -c -O0 -ggdb3 struct-example.C
cat struct-example.C
struct ODD_S {
char a[/*0x2000 */ 2097152];
char b[/*0x400 */ 536870912];
char c[/*0x8000 */ 33554432];
} l_;
(gdb) p &l_.a
$1 = (char (*)[2097152]) 0x0 <l_>
(gdb) p &l_.b
$2 = (char (*)[536870912]) 0x200000 <l_+2097152>
(gdb) p &l_.c
$3 = (char (*)[33554432]) 0x200000 <l_+2097152>
