Ryosuke Niwa 21be818223 [analyzer] Support determining origins in a conditional operator in WebKit checkers. (#91143) ...

This PR adds the support for determining the origin of a pointer in a
conditional operator.

Because such an expression can have two distinct origins each of which
needs to be visited, this PR refactors tryToFindPtrOrigin to take a
callback instead of returning a pair.

The callback is called for the second operand and the third operand of
the conditioanl operator (i.e. E2 and E3 in E1 ? E2 : E3).

Also treat nullptr and integer literal as safe pointer origins in the
local variable checker.

2024-05-09 21:32:28 -07:00

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