Update clang/docs/ReleaseNotes.rst

Co-authored-by: Sirraide <[email protected]>

Author: Mr-Anyone

clang/docs/ReleaseNotes.rst

@@ -670,7 +670,8 @@ Bug Fixes in This Version
 - Fixed an assertion failure in serialization of constexpr structs containing unions. (#GH140130)
 - Fixed duplicate entries in TableGen that caused the wrong attribute to be selected. (GH#140701)
 - Fixed type mismatch error when 'builtin-elementwise-math' arguments have different qualifiers, this should be well-formed. (#GH141397)
-- Fix constant evaluation in for loop not calling destructor (#GH139818)
+- Constant evaluation now correctly runs the destructor of a variable declared in 
+  the second clause of a C-style ``for`` loop. (#GH139818)
 
 Bug Fixes to Compiler Builtins
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