[Bug middle-end/25512] [4.1/4.2 Regression] Overflow not handled in ptr arithmetic folding

[gdr at integrable-solutions dot net]

------- Comment #8 from gdr at integrable-solutions dot net  2005-12-21 18:40 -------
Subject: Re:  [4.1/4.2 Regression] Overflow not handled in ptr arithmetic
folding

"pinskia at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org> writes:

| One more thing, the comparision will fail with segmented memory targets like
| x86 (when using the segment register).

I don't know whether GCC supports such target (if yes, you've
potentially found a bug in GCC's implementation of total pointer
ordering as required by the C++ standard)

That is more reason for GCC to document what the mapping for the
conversion T* -> integer type.

-- Gaby


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25512