Re: GCC 4.3 and PLABEL32 issues.

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On Tue, Mar 25, 2008 at 11:20 PM, John David Anglin
<dave@xxxxxxxxxxxxxxxxxx> wrote:
> > If the if condition is reduced to "0" as early as 003t.original, does
>  > that mean it's the C frontend fault?
>
>  Yes.  If I remember correctly, casting a pointer to an integer type
>  is implementation defined.

I mention this in the PR.

>  > This issue is breaks glibc's detection of PLABEL's during startup
>  > relocation processing.
>
>  This definitely needs a PR.  It should be marked as a regression.
>  This probably also breaks the unwind code in libjava as it has a
>  similar check.  There's also __canonicalize_funcptr_for_compare.
>
>  It's something of a puzzle as to why this didn't appear in testing.
>  It suggests we aren't testing the build libraries but installed libraries.

PR/35705 filed, and CC'd to you.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35705

Cheers,
Carlos.
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