[clang] [LifetimeSafety] Revamp how accesses and uses are handled (PR #225799)

[Utkarsh Saxena via cfe-commits]

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@@ -2836,11 +2834,8 @@ S getS2(const std::string &a [[clang::lifetimebound]], const std::string &b [[cl
 S multiple_lifetimebound_params() {
   std::string str{"abc"};
   S s = getS2(str, std::string("temp")); // expected-warning {{stack memory associated with local variable 'str' is returned}} \
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usx95 wrote:

Is deleting the alias information
`// expected-note {{result of call to 'getS2' aliases the storage of temporary object because parameter 'b' is marked as lifetimebound}} \`
intentional ?

https://github.com/llvm/llvm-project/pull/225799