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Subject: [Bug target/45263] registers used in __do_global_ctors can get clobbered
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------- Comment #2 from gcc at d-silva dot org  2010-08-12 01:22 -------
Created an attachment (id=21461)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=21461&action=view)
Patch to gcc/config/avr/libgcc.S saving r20 onto the stack before calling
constructors


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45263