[clang] [SSAF] Let function parameters inherit linkage from their parent functions (PR #201946)

[Balázs Benics via cfe-commits]

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@@ -15,9 +15,11 @@
 namespace clang::ssaf {
 
 enum class EntityLinkageType {
-  None,     ///< local variables, function parameters
+  None,     ///< local variables, parameters of functions with no external
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steakhal wrote:

I guess it means internal linkage, or without linkage?

https://github.com/llvm/llvm-project/pull/201946