https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68317
Bug ID: 68317
Summary: ice in set_value_range, at tree-vrp.c:380
Product: gcc
Version: 6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: dcb314 at hotmail dot com
Target Milestone: ---
Created attachment 36698
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=36698&action=edit
C source code
I just tried to compile the attached code with gcc trunk dated 20151112
and the compiler flag -O2 and the compiler said
../results/bin/gcc -c -O2 bug243.c
chipset_enable.c: In function ‘enable_flash_ich_fwh_decode’:
chipset_enable.c:380:12: internal compiler error: in set_value_range, at
tree-vrp.c:380
0xddf4b0 set_value_range
../../src/trunk/gcc/tree-vrp.c:379
0xdf2d1f adjust_range_with_scev
../../src/trunk/gcc/tree-vrp.c:4334
0xdf2d1f vrp_visit_phi_node
../../src/trunk/gcc/tree-vrp.c:8853
0xd05d0d simulate_stmt
../../src/trunk/gcc/tree-ssa-propagate.c:327
0xd0604f process_ssa_edge_worklist
../../src/trunk/gcc/tree-ssa-propagate.c:456
0xd07655 ssa_propagate(ssa_prop_result (*)(gimple*, edge_def**, tree_node**),
ssa_prop_result (*)(gphi*))
../../src/trunk/gcc/tree-ssa-propagate.c:937
0xded7b4 execute_vrp
../../src/trunk/gcc/tree-vrp.c:10315
0xded7b4 execute
../../src/trunk/gcc/tree-vrp.c:10395
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