[clang] [Clang][AST][NFC] Move template argument dependence computations for MemberExpr to computeDependence (PR #86682)

[Krystian Stasiowski via cfe-commits]

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@@ -583,11 +583,14 @@ class alignas(void *) Stmt {
     unsigned IsArrow : 1;
 
     /// True if this member expression used a nested-name-specifier to
-    /// refer to the member, e.g., "x->Base::f", or found its member via
-    /// a using declaration.  When true, a MemberExprNameQualifier
-    /// structure is allocated immediately after the MemberExpr.
+    /// refer to the member, e.g., "x->Base::f".
     LLVM_PREFERRED_TYPE(bool)
-    unsigned HasQualifierOrFoundDecl : 1;
+    unsigned HasQualifier : 1;
+
+    // True if this member expression found its member via
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sdkrystian wrote:

Could have been me? I made the comment a single line and clang-format seems happy.

https://github.com/llvm/llvm-project/pull/86682