Fangrui Song 495bd4c255

[llvm-mc] Don't print initial .text for disassembler ...

```
% echo 90 | llvm-mc -triple=x86_64 --disassemble --hex
	.text
        nop
```

The initial `.text` kludge is due `initSection`, which is actually only
needed by AIX XCOFF for its `getCurrentSectionOnly()` use in
MCAsmStreamer::emitInstruction (https://reviews.llvm.org/D95518). Adjust
MCAsmStreamer::emitInstruction to not trigger failures on

```
echo 7c4303a6 | llvm-mc --cdis --hex --triple=powerpc-aix-ibm-xcoff
```

Pull Request: https://github.com/llvm/llvm-project/pull/120185

2024-12-16 23:38:48 -08:00

..

basic.test

…

disassembler-options.test

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fatal_warnings.test

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help.test

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line_end_with_space.test

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lit.local.cfg

…

no_warnings.test

…