--- Comment #5 from pinskia at gmail dot com 2008-11-14 18:02 ---
Subject: Re: gcc source contains a struct with no data members (actually 1
byte in size) and compiler does not initialize it, resulting in IBM Rational
Purify reporting an Uninitialized Memory Read.
Sent from my iPhone
--- Comment #4 from efinger at us dot ibm dot com 2008-11-14 17:05 ---
(In reply to comment #2)
> There are going to be other holes in structs in general due to alignment
> requirements and I don't think the compiler or libstdc++ should change to this
> because it will slow down the gene
--- Comment #3 from paolo dot carlini at oracle dot com 2008-11-13 22:06
---
For sure nothing is going to happen in this area within the current ABI. In the
context of a future ABI (for C++1x) these traits will be used in a completely
different way, probably will not be used at all, dis
--- Comment #2 from pinskia at gcc dot gnu dot org 2008-11-13 21:19 ---
There are going to be other holes in structs in general due to alignment
requirements and I don't think the compiler or libstdc++ should change to this
because it will slow down the generated code and not really make
--- Comment #1 from pinskia at gcc dot gnu dot org 2008-11-13 21:15 ---
> The problem is that a struct with no data members is actually 1 byte in size,
> consisting only of a pad byte, which the compiler does not initilalize.
So
Really I think Purify needs help here.
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