[clang] [Clang] Introduce malloc_span attribute (PR #167010)

[Marco Elver via cfe-commits]

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@@ -6642,7 +6642,8 @@ RValue CodeGenFunction::EmitCall(QualType CalleeType,
                                   CalleeDecl);
     }
     if (CalleeDecl->hasAttr<RestrictAttr>() ||
-        CalleeDecl->hasAttr<AllocSizeAttr>()) {
+        CalleeDecl->hasAttr<AllocSizeAttr>() ||
+        CalleeDecl->hasAttr<MallocSpanAttr>()) {
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melver wrote:

Can we do this in a follow-up PR where we also update the test in the same PR?

https://github.com/llvm/llvm-project/pull/167010