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use a c-style cast instead of reinterpret-cast, as sometimes the

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cast needs to adjust for a vtable pointer when going from base to
derived type (when the base doesn't have a vtable but the
derived type does).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95585 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2010-02-08 22:05:38 +00:00
parent 15b423f772
commit 3a3134ab12
1 changed files with 3 additions and 2 deletions
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5
include/llvm/Support/Casting.h
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@ -180,8 +180,9 @@ template<class To, class From, class SimpleFrom> struct cast_convert_val {
template<class To, class FromTy> struct cast_convert_val<To,FromTy,FromTy> {
// This _is_ a simple type, just cast it.
static typename cast_retty<To, FromTy>::ret_type doit(const FromTy &Val) {
return reinterpret_cast<typename cast_retty<To, FromTy>::ret_type>(
const_cast<FromTy&>(Val));
typename cast_retty<To, FromTy>::ret_type Res2
= (typename cast_retty<To, FromTy>::ret_type)const_cast<FromTy&>(Val);
return Res2;
}
};