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[Bug ld/15041] ld -r bugs for pe format (mingw)

From: afranchuk at lgsinnovations dot com
Subject: [Bug ld/15041] ld -r bugs for pe format (mingw)
Date: Thu, 16 Feb 2017 21:01:07 +0000


Alex <afranchuk at lgsinnovations dot com> changed:

           What    |Removed                     |Added
                 CC|                            |afranchuk at lgsinnovations 
dot co
                   |                            |m

--- Comment #5 from Alex <afranchuk at lgsinnovations dot com> ---
This issue, and associated patch, was reverted a month after it was added in,
by b138e9bffdf97f9c172c1138418c3670178d7c7b.

This change to *(.pdata*) and *(.xdata*) causes a large project I've been
building lately to crash when an exception is thrown and caught, as the
.pdata/.xdata sections seem to have missing and messed up symbols. These
warnings are thrown during compilation, which is how I found this page.

Changing these back to *(.pdata) and *(.xdata) (as suggested in the patch for
this bug) cause the exception handling to work correctly.

Why is matching with the * necessary? The above-mentioned commit does not
specify the reasoning behind the change, and the commit against the pe.sc
template is also vague (that was .pdata for a while, but recently, in December,
was changed back to .pdata*).

Note that the changes a while back to add KEEP() around these symbols is still
there, and seems to work fine.

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