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From "Martin Sebor (JIRA)" <>
Subject [jira] Updated: (STDCXX-550) [Sun C++] 64-bit conversion warnings building utilities
Date Wed, 12 Sep 2007 18:39:32 GMT


Martin Sebor updated STDCXX-550:

    Attachment: suncc-64-bit-warnings.txt

Attached a build log with the warnings.

> [Sun C++] 64-bit conversion warnings building utilities
> -------------------------------------------------------
>                 Key: STDCXX-550
>                 URL:
>             Project: C++ Standard Library
>          Issue Type: Bug
>          Components: Utilities
>    Affects Versions: 4.1.2, 4.1.3, 4.1.4
>         Environment: Sun C++ 5.9, wide (64-bit) mode
>            Reporter: Martin Sebor
>            Priority: Minor
>         Attachments: suncc-64-bit-warnings.txt
> Compiling the utilities with Sun C++ in wide (64-bit) mode produces a large number of
warnings of the type: Conversion of 64 bit type value to "unsigned" causes truncation. Most
of these might be benign and can be silenced by adding appropriate casts but there might be
some, especially those involving unsigned char, that should be reviewed more carefully to
make sure they don't indicate real problems. For example, the localedef utility should validate
data read from character set description files and locale definition files to make sure it's
in the range of unsigned char (or 8 bit unsigned integer type to be precise) and issue diagnostics
for values that exceed this range.

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