[llvm] [XCOFF] make related SD symbols as isFunction (PR #69553)

[via llvm-commits]

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@@ -62,7 +62,7 @@ define void @foo(i32 %a1, i32 %a2, i32 %a3) {
 
 ; SYM:      SYMBOL TABLE:
 ; SYM-NEXT: 00000000      df *DEBUG*	00000000 <stdin>
-; SYM-NEXT: 00000000 l       .text	00000029 
+; SYM-NEXT: 00000000 l     F .text	00000029 
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stephenpeckham wrote:

This seems wrong. This symbol is not a function. If you code requires this testcase change, then I don't think the code is right. You need to see if a label is at the same address, and if so, the csect is not a function.

https://github.com/llvm/llvm-project/pull/69553