[llvm] [Coverage] Skip empty profile name section (PR #108480)

[Petr Hosek via llvm-commits]

================
@@ -1065,6 +1065,9 @@ lookupSections(ObjectFile &OF, InstrProfSectKind IPSK) {
       // start/end of the section. If its size is 2 bytes, it's empty.
       if (IsCOFF && IPSK == IPSK_name && Section.getSize() == 2)
         continue;
+      // Skip empty profile name section.
+      if (IPSK == IPSK_name && Section.getSize() == 0)
+        continue;
----------------
petrhosek wrote:

I think the two conditions should be combined since they cover the same case.
```suggestion
      if (IPSK == IPSK_name && (Section.getSize() == 0 || (IsCOFF && Section.getSize() == 2)))
        continue;
```

https://github.com/llvm/llvm-project/pull/108480