[llvm] [MC][X86/M68k] Emit syntax directive for AT&T (PR #167234)

[Raul Tambre via llvm-commits]

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@@ -190,7 +190,9 @@ void M68kAsmPrinter::emitFunctionBodyStart() {}
 void M68kAsmPrinter::emitFunctionBodyEnd() {}
 
 void M68kAsmPrinter::emitStartOfAsmFile(Module &M) {
-  OutStreamer->emitSyntaxDirective();
+  const bool IntelSyntax{MAI->getAssemblerDialect() == InlineAsm::AD_Intel};
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tambry wrote:

Changed. I'm used to `{}`-style initialization to prevent truncation mistakes.

https://github.com/llvm/llvm-project/pull/167234