[clang] [clang][analyzer] Add C standard streams to the internal memory space (PR #147766)

[Balázs Kéri via cfe-commits]

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@@ -1022,6 +1022,23 @@ getStackOrCaptureRegionForDeclContext(const LocationContext *LC,
   return (const StackFrameContext *)nullptr;
 }
 
+static bool isStdStreamVar(const VarDecl *D) {
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balazske wrote:

The current code should filter this out. Still it is not sure that it detects the `stdin` in C++ headers where it is defined as macro with implementation-defined content. (Check for macro expansion with appropriate macro name can be added.)

https://github.com/llvm/llvm-project/pull/147766