<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/111478>111478</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            [LLD] symbol not found with PROVIDE script
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            lld,
            regression:19
      </td>
    </tr>

    <tr>
      <th>Assignees</th>
      <td>
      </td>
    </tr>

    <tr>
      <th>Reporter</th>
      <td>
          DianQK
      </td>
    </tr>
</table>

<pre>
    I tried the following code. I expect lld to link successful while also removing unused symbols, but it reports `symbol not found: bar`.

a.s:
```asm
.global _start
_start:
 nop
.section .text.foo,"ax",@progbits
.global foo
foo:
 nop
.section .text.bar,"ax",@progbits
.global bar
bar:
 nop
```

script.t:
```
PROVIDE(foo = bar);
```

commands:
```bash
llvm-mc -filetype=obj -triple=x86_64 a.s -o a.o
ld.lld -o a_gc a.o --gc-sections -T script.t
```

output:
```
ld.lld: error: script.t:1: symbol not found: bar
ld.lld: error: script.t:1: symbol not found: bar
ld.lld: error: script.t:1: symbol not found: bar
```

cc @MaskRay ebb326a51fec37b5a47e5702e8ea157cd4f835cd
</pre>
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