https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65788
--- Comment #10 from H.J. Lu <hjl.tools at gmail dot com> --- Created attachment 35366 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=35366&action=edit A testcase [hjl@gnu-6 gcc]$ ./lto1 -quiet -dumpdir ./ -dumpbase gamess.ltrans29 -mtune=generic -march=x86-64 -mtune=generic -march=x86-64 -auxbase-strip gamess.ltrans29.ltrans.o -O3 -O3 -version -fno-math-errno -fno-signed-zeros -fno-trapping-math -fno-trapv -fno-openmp -fno-openacc -funroll-loops -ffast-math -fwhole-program -fuse-linker-plugin -fltrans gamess.ltrans29.o -o gamess.ltrans29.s GNU GIMPLE (GCC) version 6.0.0 20150420 (experimental) (x86_64-unknown-linux-gnu) compiled by GNU C version 4.8.3 20140911 (Red Hat 4.8.3-7), GMP version 5.1.2, MPFR version 3.1.2, MPC version 1.0.1 GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096 GNU GIMPLE (GCC) version 6.0.0 20150420 (experimental) (x86_64-unknown-linux-gnu) compiled by GNU C version 4.8.3 20140911 (Red Hat 4.8.3-7), GMP version 5.1.2, MPFR version 3.1.2, MPC version 1.0.1 GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096 cisgrd.fppized.f: In function ‘cisao’: cisgrd.fppized.f:319:0: internal compiler error: in set_lattice_value, at tree-ssa-ccp.c:524 0xd98eff set_lattice_value /export/gnu/import/git/sources/gcc/gcc/tree-ssa-ccp.c:524 0xd9fd16 visit_assignment /export/gnu/import/git/sources/gcc/gcc/tree-ssa-ccp.c:2272 0xd9ff1d ccp_visit_stmt /export/gnu/import/git/sources/gcc/gcc/tree-ssa-ccp.c:2341 0xe43186 simulate_stmt /export/gnu/import/git/sources/gcc/gcc/tree-ssa-propagate.c:348 0xe435c6 process_ssa_edge_worklist /export/gnu/import/git/sources/gcc/gcc/tree-ssa-propagate.c:462 0xe449dd ssa_propagate(ssa_prop_result (*)(gimple_statement_base*, edge_def**, tree_node**), ssa_prop_result (*)(gphi*)) /export/gnu/import/git/sources/gcc/gcc/tree-ssa-propagate.c:936 0xda00b5 do_ssa_ccp /export/gnu/import/git/sources/gcc/gcc/tree-ssa-ccp.c:2387 0xda016e execute /export/gnu/import/git/sources/gcc/gcc/tree-ssa-ccp.c:2420 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.
