[clang] [ASTMatchers] forCallable should not erase binding on success (PR #89657)

[Aaron Ballman via cfe-commits]

================
@@ -832,6 +832,7 @@ Bug Fixes to AST Handling
 - Fixed malformed AST generated for anonymous union access in templates. (#GH90842)
 - Improved preservation of qualifiers and sugar in `TemplateNames`, including
   template keyword.
+- ``forCallable`` now properly preserves binding on successful match. (#GH89657)
----------------
AaronBallman wrote:

Can you move this under the `AST Matchers` section instead?

https://github.com/llvm/llvm-project/pull/89657