[llvm] [llvm-objcopy] Add --gap-fill and --pad-to options (PR #65815)

[James Henderson via llvm-commits]

================
@@ -0,0 +1,149 @@
+# RUN: yaml2obj %s > %t
+
+## Verify section headers before we perform several testings.
----------------
jh7370 wrote:

"tests" rather than "testings"

What is this actually supposed to be verifying though? You're using yaml2obj to create your input, so you should have full control over the output. You also aren't using this as a comparison to the later checks in the file (since those aren't checking section headers).

https://github.com/llvm/llvm-project/pull/65815