https://llvm.org/bugs/show_bug.cgi?id=31222
Bug ID: 31222
Summary: Produce warning when a derived class shadows a field
of the base class with `-Wshadow`
Product: clang
Version: unspecified
Hardware: PC
OS: Linux
Status: NEW
Severity: enhancement
Priority: P
Component: C++
Assignee: unassignedclangb...@nondot.org
Reporter: vittorio.ro...@outlook.com
CC: dgre...@apple.com, llvm-bugs@lists.llvm.org
Classification: Unclassified
struct Base { int a; };
struct Derived : Base { int a; };
int main() { }
The code snippet above produces no warnings with `-Wshadow` enabled.
This seems like an unusual situation that could lead to unexpected behavior.
I suggest producing a warning when `-Wshadow` is enabled, to alert that
`Derived::a` is shadowing `Base::a`.
Related SO question:
https://stackoverflow.com/questions/40908402
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