[llvm] [z/OS] Add z/OS archive reading support (PR #187110)

[James Henderson via llvm-commits]

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@@ -1244,6 +1387,9 @@ uint32_t Archive::getNumberOfSymbols() const {
     return read32le(buf) / 8;
   if (kind() == K_DARWIN64)
     return read64le(buf) / 16;
+  if (kind() == K_ZOS) {
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jh7370 wrote:

No braces for single-line ifs, per the coding standard.

https://github.com/llvm/llvm-project/pull/187110