diff --git a/clang/lib/Sema/SemaExpr.cpp b/clang/lib/Sema/SemaExpr.cpp --- a/clang/lib/Sema/SemaExpr.cpp +++ b/clang/lib/Sema/SemaExpr.cpp @@ -9197,6 +9197,7 @@ QualType ArrayElemTy = ArrayTy->getElementType(); if (ArrayElemTy != S.Context.getBaseElementType(ArrayTy) || ArrayElemTy->isDependentType() || RHSTy->isDependentType() || + ArrayElemTy->isCharType() || S.Context.getTypeSize(ArrayElemTy) == S.Context.getTypeSize(RHSTy)) return; S.Diag(Loc, diag::warn_division_sizeof_array) diff --git a/clang/test/Sema/div-sizeof-array.cpp b/clang/test/Sema/div-sizeof-array.cpp --- a/clang/test/Sema/div-sizeof-array.cpp +++ b/clang/test/Sema/div-sizeof-array.cpp @@ -25,6 +25,8 @@ int a10 = sizeof(arr3) / sizeof(char); int a11 = sizeof(arr2) / (sizeof(unsigned)); int a12 = sizeof(arr) / (sizeof(short)); + int a13 = sizeof(arr3) / sizeof(p); + int a14 = sizeof(arr3) / sizeof(int); int arr4[10][12]; int b1 = sizeof(arr4) / sizeof(arr2[12]);