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Date: Fri, 02 Apr 2010 08:14:00 -0000
Subject: [Bug tree-optimization/43627]  New: [4.5 Regression] slow compilation
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From: "jv244 at cam dot ac dot uk" <gcc-bugzilla@gcc.gnu.org>
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The to-be-attached file compiles very slowly with 4.5:

4.3 ([gcc-4_3-branch revision 135036]): 37s
4.4 ([gcc-4_4-branch revision 150482]): 30s
4.5 ([trunk revision 157940]):        6m35s

 gfortran -fbounds-check -g -O3 -ffast-math -funroll-loops -ftree-vectorize
-march=native -c hog.f90


-- 
           Summary: [4.5 Regression] slow compilation
           Product: gcc
           Version: 4.5.0
            Status: UNCONFIRMED
          Keywords: compile-time-hog
          Severity: normal
          Priority: P3
         Component: tree-optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: jv244 at cam dot ac dot uk


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43627