[clang] [clang][dataflow] Add `Environment::allows()`. (PR #70046)

[Stanislav Gatev via cfe-commits]

================
@@ -129,9 +129,17 @@ class DataflowAnalysisContext {
   /// token.
   Atom joinFlowConditions(Atom FirstToken, Atom SecondToken);
 
-  /// Returns true if and only if the constraints of the flow condition
-  /// identified by `Token` imply that `Val` is true.
-  bool flowConditionImplies(Atom Token, const Formula &);
+  /// Returns true if the constraints of the flow condition identified by
+  /// `Token` imply that `F` is true.
+  /// Returns false the flow condition does not imply `F` or if the solver times
----------------
sgatev wrote:

Missing "if" - "Returns false the flow"

https://github.com/llvm/llvm-project/pull/70046