diff options
Diffstat (limited to 'clang/lib')
| -rw-r--r-- | clang/lib/CodeGen/CGExpr.cpp | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/clang/lib/CodeGen/CGExpr.cpp b/clang/lib/CodeGen/CGExpr.cpp index 3a46bbfe208..73354cdf854 100644 --- a/clang/lib/CodeGen/CGExpr.cpp +++ b/clang/lib/CodeGen/CGExpr.cpp @@ -1034,8 +1034,12 @@ Address CodeGenFunction::EmitPointerWithAlignment(const Expr *E, // Derived-to-base conversions. case CK_UncheckedDerivedToBase: case CK_DerivedToBase: { - Address Addr = EmitPointerWithAlignment(CE->getSubExpr(), BaseInfo, - TBAAInfo); + // TODO: Support accesses to members of base classes in TBAA. For now, we + // conservatively pretend that the complete object is of the base class + // type. + if (TBAAInfo) + *TBAAInfo = CGM.getTBAAAccessInfo(E->getType()); + Address Addr = EmitPointerWithAlignment(CE->getSubExpr(), BaseInfo); auto Derived = CE->getSubExpr()->getType()->getPointeeCXXRecordDecl(); return GetAddressOfBaseClass(Addr, Derived, CE->path_begin(), CE->path_end(), |
