[llvm] [Flang-RT] Make implicit PPC intrinsic uses explicit (PR #206493)

[Eugene Epshteyn via llvm-commits]

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@@ -7,6 +7,9 @@
 !===------------------------------------------------------------------------===!
 
 module __ppc_intrinsics
+  ! implicit dependencies, made explicit for CMake
+  use __fortran_builtins
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eugeneepshteyn wrote:

Here and below: would it be sufficient to have `__fortran_builtins` come transitively from `__ppc_types`? Is specifying it here explicitly needed for CMake?

https://github.com/llvm/llvm-project/pull/206493