https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116460
--- Comment #6 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
So the good news is I am able to reproduce it on the trunk (on cfarm29 which is
powerpc64le):
```
pinskia@cfarm29:~/src/t$ ~/ugcc/bin/g++ -shared -fPIC -g -O3 -flto *.ii
lto-wrapper: warning: using serial compilation of 11 LTRANS jobs
lto-wrapper: note: see the ‘-flto’ option documentation for more information
during GIMPLE pass: forwprop
../../../../tmp/lerc/src/LercLib/Lerc.cpp: In function
‘EncodeInternal.constprop’:
../../../../tmp/lerc/src/LercLib/Lerc.cpp:606:9: internal compiler error: in
build2, at tree.cc:5103
0x120f7dff internal_error(char const*, ...)
/home/pinskia/src/gcc/gcc/diagnostic-global-context.cc:491
0x102ebbdf fancy_abort(char const*, int, char const*)
/home/pinskia/src/gcc/gcc/diagnostic.cc:1772
0x110963bb build2(tree_code, tree_node*, tree_node*, tree_node*)
/home/pinskia/src/gcc/gcc/tree.cc:5103
0x103ef03b gimple_assign_rhs_to_tree(gimple*)
/home/pinskia/src/gcc/gcc/cfgexpand.cc:116
0x10f69763 insert_debug_temp_for_var_def(gimple_stmt_iterator*, tree_node*)
/home/pinskia/src/gcc/gcc/tree-ssa.cc:408
0x10f69c67 insert_debug_temps_for_defs(gimple_stmt_iterator*)
/home/pinskia/src/gcc/gcc/tree-ssa.cc:506
0x1069cd6b gsi_remove(gimple_stmt_iterator*, bool)
/home/pinskia/src/gcc/gcc/gimple-iterator.cc:568
0x10db4d63 simple_dce_from_worklist(bitmap_head*, bitmap_head*)
/home/pinskia/src/gcc/gcc/tree-ssa-dce.cc:2263
0x10dd68ff execute
/home/pinskia/src/gcc/gcc/tree-ssa-forwprop.cc:4154
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
lto-wrapper: fatal error: /home/pinskia/ugcc/bin/g++ returned 1 exit status
compilation terminated.
/usr/bin/ld: error: lto-wrapper failed
collect2: error: ld returned 1 exit status
```
