[CHERI_CSA] SubObjectRepresentability: move alpha.cheri -> cheri

Author: eupharina

clang/include/clang/StaticAnalyzer/Checkers/Checkers.td

@@ -1826,12 +1826,14 @@ let ParentPackage = CHERI in {
         HelpText<"Detect hardcoded expectations on pointer sizes">,
         Documentation<NotDocumented>;
 
+  def SubObjectRepresentabilityChecker
+      : Checker<"SubObjectRepresentability">,
+        HelpText<
+            "Check for record fields with unrepresentable subobject bounds">,
+        Documentation<NotDocumented>;
+
 } // end cheri
 
 let ParentPackage = CHERIAlpha in {
 
-  def SubObjectRepresentabilityChecker : Checker<"SubObjectRepresentability">,
-                                         HelpText<"TODO: help">,
-                                         Documentation<NotDocumented>;
-
 } // end alpha.cheri

clang/test/Analysis/Checkers/CHERI/subobject-representability-morello.c

@@ -2,7 +2,7 @@
 
 // XFAIL: *
 // RUN: %clang_cc1 -triple aarch64-none-elf -target-feature +morello -target-feature +c64 -target-abi purecap \
-// RUN:            -analyze -analyzer-checker=core,alpha.cheri.SubObjectRepresentability -verify %s
+// RUN:            -analyze -analyzer-checker=core,cheri.SubObjectRepresentability -verify %s
 
 struct R1 {
   struct {