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Subject: [Bug rtl-optimization/42631] [4.5 Regression] "-fcompare-debug failure" with "-O1 -funroll-loops"
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42631

--- Comment #15 from Jie Zhang <jiez at gcc dot gnu.org> 2011-02-05 12:06:21 UTC ---
Author: jiez
Date: Sat Feb  5 12:06:18 2011
New Revision: 169851

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=169851
Log:
    PR debug/42631
    * web.c (entry_register): Don't clobber the number of the
    first uninitialized reference in used[].

    testsuite/
    PR debug/42631
    * gcc.dg/pr42631.c: Update test.
    * gcc.dg/pr42631-2.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/pr42631-2.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gcc.dg/pr42631.c
    trunk/gcc/web.c