[clang] [analyzer] Conversion to CheckerFamily: MallocChecker (PR #147080)

[Donát Nagy via cfe-commits]

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@@ -3187,7 +3131,7 @@ void MallocChecker::checkPreCall(const CallEvent &Call,
     if (!FD)
       return;
 
-    if (ChecksEnabled[CK_MallocChecker] && isFreeingCall(Call))
+    if (MallocChecker.isEnabled() && isFreeingCall(Call))
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NagyDonat wrote:

`MallocChecker.isEnabled() &&` seems to be an ad-hoc unjustified check, we should probably remove it in a follow-up commit.

https://github.com/llvm/llvm-project/pull/147080