[llvm] [llvm-readobj] Support --symbol-table for COFF (PR #141552)

[Martin Storsjö via llvm-commits]

================
@@ -0,0 +1,60 @@
+# RUN: yaml2obj %s -o %t.obj
+# RUN: llvm-readobj --string-table %t.obj | FileCheck %s
----------------
mstorsjo wrote:

For purposes of testing edge cases, it would be good to check a file with no string table too - i.e. an executable. (That would make sure that we're not doing anything undefined with null pointers etc, in an ubsan build of llvm-readobj.)

https://github.com/llvm/llvm-project/pull/141552