<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=http://email.email.llvm.org/c/eJy9k8GO2yAQhp8GX1Asgo1JDj4kTXPooVVVtdIesY0dGgwW4Gjz9h1wN1W20bZSpVpgDzOYmc_zu7HdtUYVWYbwIyIHRHZ5kM9hMX0QLqBit6wwNnZaTGm6mztXPUZ0Ay68wssbdItRcYCByc890rkXy3SqX-xb7sdLWuJWCzPgIH1YadFInXu8am_ht095BJR7GV5qfIdzVOx_Q0tbIt_dhv8E6a9jY4FyCd67il0Fk8HEkMi6ZDxPsg2yw6LxVs9BRo-T3itr_r5wDBdi7x8n5TDXd0kjJ3yh1s4mSCe71_S3oyKc8Pdk-A_dS3cnJ-siFmL7ixJYn0eN2AE4TiFMsSpEjzC0dTI_S2dAGdYN0RN30uPT8HW8zB-e-mtrTp8OO1SS47fjkfMv5DNhH9Pb26yri25bbEUm5nCyrjaqPXfSi1kbJZ3PZqfr-4SDCqe5yVs7xlz68vJYTc5-h07AUnk_Sw8GKzjdZKe67zjpC7rhQq4rLirWU063LeVd2fKCkSwp29fAiihtZsCgUXzwSBmKHSh5Es5LFyPskP17VaqmhMJYE0qghDLnFV0zxkklaLnh0I2SyFEoncdz4rfNXJ2OhPo8BLXywf8KClDcYKRMEFBhUEGnRdJ2bB3bK1DL4AS0dSU8uCLgm_qlFMNf1Cv4ORb1-Cxh1InhB5KxXrA>53728</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            [clang][integrated-as] "expected absolute expression" diffing symbols
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            bug,
            llvm:asmparser
      </td>
    </tr>

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

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

<pre>
    ```asm
.text
start:
  nop
end:
.if (end - start) == 0
.err
.endif
```
```
$ clang test-label.s -c
$
```
```asm
.text
.set start, .;
  nop
.set end, .;
.if (end - start) == 0
.err
.endif
```
```
$ clang test-symbol.s
test-symbol.s:6:5: error: expected absolute expression
.if (end - start) == 0
    ^
test-symbol.s:7:1: error: .err encountered
.err
^
$ as test-symbol.s 
$
```

reported [via lkml](https://lore.kernel.org/lkml/YgUmvuJYfycnhODA@FVFF77S0Q05N/)
</pre>
<img width="1px" height="1px" alt="" src="http://email.email.llvm.org/o/eJy9U0Gv2yAM_jXkghpRCE16yKFd18MOm6Zpk96RJG7KSkIEpHr99zPJ2ilb9bbTIhOMDfb32VDZ5laSDZtF-Y6wA2G7NMBrmFUflAtE7OYVpb0dZhX65mFO9YkSXqCJruh8gm8pEQcUyn7uAefuWt_o06w_cj9f8ozWRvUtDeDDyqgKTOrpqn64347yjFDqIdwxvqMpEfs_qE1bIr_Fhv9E0t-6yiLL2bk0id0Gh8RBMZF1k_I6QB2goary1owBosWB99r2_w6c4kfk--dJcxzrRdLIEytU27EP4KD5nf0jVCSn_JIZ_Uv3pr-DwbpIi8j9VStqLp0h8oA8ziEMERXhRxRjHaQXcD3eDOvaaIk7-fGl_dpdxw8vp1vdnz8ddiRjx2_HY55_YZ-Z_Did3iZNKZqt2Kok6GCgxGRTK2ImuddIrnUKUayURxNWkb9Zbs4pNv2ksZczWZ-MzpRLxK0O57FKa9tFsOZ6n1aDs98xNi619yN4VKTIeZGcSyGLIsszFC54tpEgquIkMjRv60xUeTI9DR_xI4hqxDrweHtxmjKIHT6FQTkPLnrkIdElZxxlzTgTkmVpvuFrKXO2UTwrcmxGxqBT2qQxQCxt4soJJkb36DTaB__LqbACbQ9TCWN8NYazdWWv60sDXo2m1-B8MjErJ1o_ALEJSFQ">