https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100386
Bug ID: 100386
Summary: Not all constant brace-init-lists receive symbols
Product: gcc
Version: 10.3.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: jengelh at inai dot de
Target Milestone: ---
Input:
```
#include <cstdio>
#include <initializer_list>
void f(int x) { printf("%d", x); }
void foo(const std::initializer_list<int> &x) { for (auto y : x) f(y); }
int main()
{
for (auto x : {1,2,3,4,5,6,7,8,9,10,11,12,13,14,15})
f(x);
foo({
1,2,3,4,5,6,7,8,9,2,1,3,4,5,6,7,8,9,3,2,1,4,5,6,7,8,9,5,4,3,
1,2,3,4,5,6,7,8,9,2,1,3,4,5,6,7,8,9,3,2,1,4,5,6,7,8,9,5,4,3,
1,2,3,4,5,6,7,8,9,2,1,3,4,5,6,7,8,9,3,2,1,4,5,6,7,8,9,5,4,3,
});
}
```
Build and objdump:
```
$ gcc -v -O2 -g x.cpp
Target: x86_64-suse-linux
…
gcc version 10.3.0 (SUSE Linux/Tumbleweed)
$ objdump -d a.out
…
0000000000401040 <main>:
401040: 53 push rbx
401041: be 01 00 00 00 mov esi,0x1
401046: bb a0 21 40 00 mov ebx,0x4021a0
40104b: 48 81 ec 80 01 00 00 sub rsp,0x180
401052: eb 06 jmp 40105a <main+0x1a>
401054: 0f 1f 40 00 nop DWORD PTR [rax+0x0]
401058: 8b 33 mov esi,DWORD PTR [rbx]
40105a: bf 04 20 40 00 mov edi,0x402004
40105f: 31 c0 xor eax,eax
401061: 48 83 c3 04 add rbx,0x4
401065: e8 c6 ff ff ff call 401030 <printf@plt>
40106a: 48 81 fb dc 21 40 00 cmp rbx,0x4021dc
401071: 75 e5 jne 401058 <main+0x18>
401073: 48 8d 44 24 10 lea rax,[rsp+0x10]
401078: 48 8d 7c 24 10 lea rdi,[rsp+0x10]
40107d: be 20 20 40 00 mov esi,0x402020
401082: b9 2d 00 00 00 mov ecx,0x2d
401087: f3 48 a5 rep movs QWORD PTR es:[rdi],QWORD PTR
ds:[rsi]
…
```
Observed output:
```
$ nm a.out | sort
…
0000000000402000 R _IO_stdin_used
00000000004021a0 r C.0.0
…
```
Expected output:
```
$ nm a.out
…
0000000000402000 R _IO_stdin_used
0000000000402020 r C.something.something
00000000004021a0 r C.0.0
…
```
