[clang] [analyzer][StackAddrEscapeChecker] Fix assert failure for alloca regions (PR #109655)

[Balazs Benics via cfe-commits]

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@@ -846,3 +851,25 @@ void top(char **p) {
   foo(); // no-warning FIXME: p binding is reclaimed before the function end
 }
 } // namespace early_reclaim_dead_limitation
+
+using size_t = decltype(sizeof(int));
+void * malloc(size_t size);
+void free(void*);
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steakhal wrote:

We usually put these at the top of the tests.
You could also consider including some system header simulator to get these declarations.

https://github.com/llvm/llvm-project/pull/109655