[clang] [compiler-rt] [llvm] Migrate llvm-profdata to Opt flag parsing (PR #177868)

[Prabhu Rajasekaran via cfe-commits]

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@@ -41,7 +41,7 @@ To enable MemProf instrumentation, compile your application with the ``-fmemory-
 
 .. note::
     Link with ``-fmemory-profile`` as well to link the necessary runtime libraries. If you use a separate link step, ensure the flag is passed to the linker.
-    On Linux, the flags ``-fno-pie -no-pie -Wl,-z,noseparate-code -Wl,--build-id`` are currently required to ensure the binary layout (executable segment at offset 0) and Build ID presence are compatible with the ``llvm-profdata`` profile reader.
+    On Linux, the flags ``-fno-pie --no-pie -Wl,-z,noseparate-code -Wl,--build-id`` are currently required to ensure the binary layout (executable segment at offset 0) and Build ID presence are compatible with the ``llvm-profdata`` profile reader.
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Prabhuk wrote:

Is this possibly an unnecessary change as well?

https://github.com/llvm/llvm-project/pull/177868