[llvm] [llvm-objdump] Document selecting symbols containing commas (PR #221619)

[James Henderson via llvm-commits]

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@@ -72,12 +72,14 @@ def traceback_table : Flag<["--"], "traceback-table">,
            "This option is for XCOFF files only">;
 
 def disassemble_symbols_EQ : Joined<["--"], "disassemble-symbols=">,
-  HelpText<"List of symbols to disassemble. "
+  HelpText<"Comma-separated list of symbols to disassemble. "
+           "Use --disassemble=<symbol> for names containing commas. "
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jh7370 wrote:

I don't think it's worth including this second sentence here. Help text should be succinct, and this information can be implied from the description of the `--disassemble=<symbol>` option, since it only takes a single symbol.

https://github.com/llvm/llvm-project/pull/221619