[llvm] [llvm][ELF]Add Shdr check for getBuildID (PR #126537)

[James Henderson via llvm-commits]

================
@@ -15,3 +15,26 @@ FileHeader:
   Type:    ET_EXEC
   Machine: EM_X86_64
   EPhOff:  0xffffff
+
+
+# RUN: yaml2obj --docnum=2 %s -o %t.note.err
+# RUN: llvm-objdump -D %t.note.err 2>&1 | \
+# RUN:   FileCheck %s --check-prefix=PFILESIZE
+
+# PFILESIZE:          Disassembly of section .note.gnu.build-id:
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jh7370 wrote:

This check simply shows that disassembly of the section has been attempted. It doesn't show anything about any warnings or errors that have been produced. I'm not sure how useful it is.

https://github.com/llvm/llvm-project/pull/126537