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[Bug ipa/60518] New: [4.9 Regression] ICE: in verify_loop_structure, at cfgloop.c:1647
- From: "trippels at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 13 Mar 2014 19:12:06 +0000
- Subject: [Bug ipa/60518] New: [4.9 Regression] ICE: in verify_loop_structure, at cfgloop.c:1647
- Auto-submitted: auto-generated
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60518
Bug ID: 60518
Summary: [4.9 Regression] ICE: in verify_loop_structure, at
cfgloop.c:1647
Product: gcc
Version: 4.9.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: ipa
Assignee: unassigned at gcc dot gnu.org
Reporter: trippels at gcc dot gnu.org
(This happens without any .gcda file)
markus@x4 tmp % cat test.ii
int a;
int fn1 () { return a == ',' || a == ';'; }
void fn2 ()
{
do
while (fn1 ())
;
while (1);
}
markus@x4 tmp % c++ -c -fprofile-use -march=amdfam10 -std=gnu++0x -Os test.ii
test.ii:1:0: warning: -fprefetch-loop-arrays is not supported with -Os
int a;
^
test.ii: In function âfn2()â:
test.ii:10:1: error: loop 1âs latch does not have an edge to its header
}
^
test.ii:10:1: internal compiler error: in verify_loop_structure, at
cfgloop.c:1647
0x81c749 verify_loop_structure()
../../gcc/gcc/cfgloop.c:1647
0xa27d3a loop_optimizer_init(unsigned int)
../../gcc/gcc/loop-init.c:111
0x9ddf29 estimate_function_body_sizes
../../gcc/gcc/ipa-inline-analysis.c:2436
0x9e0e21 compute_inline_parameters(cgraph_node*, bool)
../../gcc/gcc/ipa-inline-analysis.c:2860
0x9e1130 inline_analyze_function
../../gcc/gcc/ipa-inline-analysis.c:3853
0x9e12b7 inline_generate_summary()
../../gcc/gcc/ipa-inline-analysis.c:3904
0xaa8e36 execute_ipa_summary_passes(ipa_opt_pass_d*)
../../gcc/gcc/passes.c:2027
0x839b28 ipa_passes
../../gcc/gcc/cgraphunit.c:2070
0x839b28 compile()
../../gcc/gcc/cgraphunit.c:2174
0x839df4 finalize_compilation_unit()
../../gcc/gcc/cgraphunit.c:2329
0x63378e cp_write_global_declarations()
../../gcc/gcc/cp/decl2.c:4610
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.
The warning looks bogus, too.