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[Bug middle-end/55132] New: [4.8 Regression] FAIL: g++.dg/tree-ssa/pr45453.C


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55132

             Bug #: 55132
           Summary: [4.8 Regression] FAIL: g++.dg/tree-ssa/pr45453.C
    Classification: Unclassified
           Product: gcc
           Version: 4.8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: ubizjak@gmail.com
                CC: hubicka@gcc.gnu.org


r192964 [1] introduced following failure:

WARNING: program timed out.
FAIL: g++.dg/tree-ssa/pr45453.C -std=gnu++98 (test for excess errors)
UNRESOLVED: g++.dg/tree-ssa/pr45453.C -std=gnu++98  scan-tree-dump-times
optimized "OBJ_TYPE_REF" 1
WARNING: program timed out.
FAIL: g++.dg/tree-ssa/pr45453.C -std=gnu++11 (test for excess errors)
UNRESOLVED: g++.dg/tree-ssa/pr45453.C -std=gnu++11  scan-tree-dump-times
optimized "OBJ_TYPE_REF" 1


Compiler loops in:

#0  estimate_calls_size_and_time (size=size@entry=0x7ffff0bdf08c,
time=time@entry=0x7ffff0bdf088, hints=hints@entry=0x0, 
    possible_truths=possible_truths@entry=4294967294,
known_vals=known_vals@entry=0x0, 
    known_binfos=known_binfos@entry=0x0, known_aggs=known_aggs@entry=0x0,
node=<optimized out>, node=<optimized out>)
    at ../../gcc-svn/trunk/gcc/ipa-inline-analysis.c:3960
#1  0x000000000093b2d5 in estimate_calls_size_and_time
(size=size@entry=0x7ffff0bdf08c, time=time@entry=0x7ffff0bdf088, 
    hints=hints@entry=0x0, possible_truths=possible_truths@entry=4294967294,
known_vals=known_vals@entry=0x0, 
    known_binfos=known_binfos@entry=0x0, known_aggs=known_aggs@entry=0x0,
node=<optimized out>, node=<optimized out>)
    at ../../gcc-svn/trunk/gcc/ipa-inline-analysis.c:2768
#2  0x000000000093b2d5 in estimate_calls_size_and_time
(size=size@entry=0x7ffff0bdf08c, time=time@entry=0x7ffff0bdf088, 
    hints=hints@entry=0x0, possible_truths=possible_truths@entry=4294967294,
known_vals=known_vals@entry=0x0, 
    known_binfos=known_binfos@entry=0x0, known_aggs=known_aggs@entry=0x0,
node=<optimized out>, node=<optimized out>)
    at ../../gcc-svn/trunk/gcc/ipa-inline-analysis.c:2768
#3  0x000000000093b2d5 in estimate_calls_size_and_time
(size=size@entry=0x7ffff0bdf08c, time=time@entry=0x7ffff0bdf088, 
    hints=hints@entry=0x0, possible_truths=possible_truths@entry=4294967294,
known_vals=known_vals@entry=0x0, 
    known_binfos=known_binfos@entry=0x0, known_aggs=known_aggs@entry=0x0,
node=<optimized out>, node=<optimized out>)
    at ../../gcc-svn/trunk/gcc/ipa-inline-analysis.c:2768
#4  0x000000000093b2d5 in estimate_calls_size_and_time
(size=size@entry=0x7ffff0bdf08c, time=time@entry=0x7ffff0bdf088, 
    hints=hints@entry=0x0, possible_truths=possible_truths@entry=4294967294,
known_vals=known_vals@entry=0x0, 
    known_binfos=known_binfos@entry=0x0, known_aggs=known_aggs@entry=0x0,
node=<optimized out>, node=<optimized out>)
    at ../../gcc-svn/trunk/gcc/ipa-inline-analysis.c:2768
#5  0x000000000093b2d5 in estimate_calls_size_and_time
(size=size@entry=0x7ffff0bdf08c, time=time@entry=0x7ffff0bdf088, 
    hints=hints@entry=0x0, possible_truths=possible_truths@entry=4294967294,
known_vals=known_vals@entry=0x0, 
    known_binfos=known_binfos@entry=0x0, known_aggs=known_aggs@entry=0x0,
node=<optimized out>, node=<optimized out>)
    at ../../gcc-svn/trunk/gcc/ipa-inline-analysis.c:2768
#6  0x000000000093b2d5 in estimate_calls_size_and_time
(size=size@entry=0x7ffff0bdf08c, time=time@entry=0x7ffff0bdf088, 
    hints=hints@entry=0x0, possible_truths=possible_truths@entry=4294967294,
known_vals=known_vals@entry=0x0, 
    known_binfos=known_binfos@entry=0x0, known_aggs=known_aggs@entry=0x0,
node=<optimized out>, node=<optimized out>)
    at ../../gcc-svn/trunk/gcc/ipa-inline-analysis.c:2768
#7  0x000000000093b2d5 in estimate_calls_size_and_time
(size=size@entry=0x7ffff0bdf08c, time=time@entry=0x7ffff0bdf088, 
    hints=hints@entry=0x0, possible_truths=possible_truths@entry=4294967294,
known_vals=known_vals@entry=0x0, 
    known_binfos=known_binfos@entry=0x0, known_aggs=known_aggs@entry=0x0,
node=<optimized out>, node=<optimized out>)
    at ../../gcc-svn/trunk/gcc/ipa-inline-analysis.c:2768
#8  0x000000000093b2d5 in estimate_calls_size_and_time
(size=size@entry=0x7ffff0bdf08c, time=time@entry=0x7ffff0bdf088, 
    hints=hints@entry=0x0, possible_truths=possible_truths@entry=4294967294,
known_vals=known_vals@entry=0x0, 
    known_binfos=known_binfos@entry=0x0, known_aggs=known_aggs@entry=0x0,
node=<optimized out>, node=<optimized out>)
    at ../../gcc-svn/trunk/gcc/ipa-inline-analysis.c:2768

[1] http://gcc.gnu.org/ml/gcc-cvs/2012-10/msg01070.html


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