[Bug middle-end/69838] [4.9/5/6 Regression] Lra deletes EH_REGION

[vogt at linux dot vnet.ibm.com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69838

--- Comment #7 from Dominik Vogt <vogt at linux dot vnet.ibm.com> ---
With the patch I get an Ice with -m31:

spawn -ignore SIGHUP .../build/gcc/xgcc -B.../build/gcc/
.../gcc/testsuite/gcc.dg/graphite/id-pr45230-1.c -fno-diagnostics-show-caret
-fdiagnostics-color=never -O2 -fgraphite-identity -ffast-math -S -m31 -o
id-pr45230-1.s^M 
.../gcc/testsuite/gcc.dg/graphite/id-pr45230-1.c: In function 'main':^M 
/home/vogt/src/git/gcc/gcc/testsuite/gcc.dg/graphite/id-pr45230-1.c:45:1:
internal compiler error: Segmentation fault^M 
0x806199b9 crash_signal^M 
        ../../gcc/toplev.c:335^M 
0x80a55d06 translate_isl_ast_to_gimple::collect_all_ssa_names(tree_node*,
vec<t\
ree_node*, va_heap, vl_ptr>*)^M 
        ../../gcc/graphite-isl-ast-to-gimple.c:1408^M 
0x80a55d51 translate_isl_ast_to_gimple::collect_all_ssa_names(tree_node*,
vec<t\
ree_node*, va_heap, vl_ptr>*)^M 
        ../../gcc/graphite-isl-ast-to-gimple.c:1418^M 
0x80a55d51 translate_isl_ast_to_gimple::collect_all_ssa_names(tree_node*,
vec<t\
ree_node*, va_heap, vl_ptr>*)^M 
        ../../gcc/graphite-isl-ast-to-gimple.c:1418^M 
0x80a55d51 translate_isl_ast_to_gimple::collect_all_ssa_names(tree_node*,
vec<t\
ree_node*, va_heap, vl_ptr>*)^M 
        ../../gcc/graphite-isl-ast-to-gimple.c:1418^M 
0x80a5748b translate_isl_ast_to_gimple::rename_all_uses(tree_node*,
basic_block\
_def*, basic_block_def*)^M 
        ../../gcc/graphite-isl-ast-to-gimple.c:1569^M 
0x80a57631 translate_isl_ast_to_gimple::get_rename_from_scev(tree_node*,
gimple\
**, loop*, basic_block_def*, basic_block_def*, vec<tree_node*, va_heap,
vl_ptr>\
)^M 
        ../../gcc/graphite-isl-ast-to-gimple.c:1623^M 
0x80a597a1 translate_isl_ast_to_gimple::rename_uses(gimple*,
gimple_stmt_iterat\
or*, basic_block_def*, loop*, vec<tree_node*, va_heap, vl_ptr>)^M 
        ../../gcc/graphite-isl-ast-to-gimple.c:1730^M
0x80a5b06d translate_isl_ast_to_gimple::graphite_copy_stmts_from_block(basic_b\
lock_def*, basic_block_def*, vec<tree_node*, va_heap, vl_ptr>)^M 
        ../../gcc/graphite-isl-ast-to-gimple.c:2596^M 
0x80a5b5eb
translate_isl_ast_to_gimple::copy_bb_and_scalar_dependences(basic_bl\
ock_def*, edge_def*, vec<tree_node*, va_heap, vl_ptr>)^M 
        ../../gcc/graphite-isl-ast-to-gimple.c:2809^M 
0x80a5bbf5
translate_isl_ast_to_gimple::translate_isl_ast_node_user(isl_ast_nod\
e*, edge_def*, std::map<isl_id*, tree_node*, std::less<isl_id*>,
std::allocator\
<std::pair<isl_id* const, tree_node*> > >&)^M 
        ../../gcc/graphite-isl-ast-to-gimple.c:935^M 
0x80a5bf95 translate_isl_ast_to_gimple::translate_isl_ast_for_loop(loop*,
isl_a\
st_node*, edge_def*, tree_node*, tree_node*, tree_node*, std::map<isl_id*,
tree\
_node*, std::less<isl_id*>, std::allocator<std::pair<isl_id* const,
tree_node*>\
 > >&)^M 
        ../../gcc/graphite-isl-ast-to-gimple.c:685^M 
0x80a5c217 translate_isl_ast_to_gimple::translate_isl_ast_node_for(loop*,
isl_a\
st_node*, edge_def*, std::map<isl_id*, tree_node*, std::less<isl_id*>,
std::all\
ocator<std::pair<isl_id* const, tree_node*> > >&)^M 
        ../../gcc/graphite-isl-ast-to-gimple.c:854^M 
0x80a5beb1 translate_isl_ast_to_gimple::translate_isl_ast(loop*,
isl_ast_node*,\
 edge_def*, std::map<isl_id*, tree_node*, std::less<isl_id*>,
std::allocator<st\
d::pair<isl_id* const, tree_node*> > >&)^M 
        ../../gcc/graphite-isl-ast-to-gimple.c:1032^M 
0x80a5c359 translate_isl_ast_to_gimple::translate_isl_ast_node_block(loop*,
isl\
_ast_node*, edge_def*, std::map<isl_id*, tree_node*, std::less<isl_id*>,
std::a\
llocator<std::pair<isl_id* const, tree_node*> > >&)^M 
        ../../gcc/graphite-isl-ast-to-gimple.c:964^M 
0x80a5be69 translate_isl_ast_to_gimple::translate_isl_ast(loop*,
isl_ast_node*,\
 edge_def*, std::map<isl_id*, tree_node*, std::less<isl_id*>,
std::allocator<st\
d::pair<isl_id* const, tree_node*> > >&)^M 
        ../../gcc/graphite-isl-ast-to-gimple.c:1043^M 
0x80a5c359 translate_isl_ast_to_gimple::translate_isl_ast_node_block(loop*,
isl\
_ast_node*, edge_def*, std::map<isl_id*, tree_node*, std::less<isl_id*>,
std::a\
llocator<std::pair<isl_id* const, tree_node*> > >&)^M 
        ../../gcc/graphite-isl-ast-to-gimple.c:964^M 
0x80a5be69 translate_isl_ast_to_gimple::translate_isl_ast(loop*,
isl_ast_node*,\
 edge_def*, std::map<isl_id*, tree_node*, std::less<isl_id*>,
std::allocator<st\
d::pair<isl_id* const, tree_node*> > >&)^M 
        ../../gcc/graphite-isl-ast-to-gimple.c:1043^M 
0x80a5c359 translate_isl_ast_to_gimple::translate_isl_ast_node_block(loop*,
isl\
_ast_node*, edge_def*, std::map<isl_id*, tree_node*, std::less<isl_id*>,
std::a\
llocator<std::pair<isl_id* const, tree_node*> > >&)^M 
        ../../gcc/graphite-isl-ast-to-gimple.c:964^M 
0x80a5be69 translate_isl_ast_to_gimple::translate_isl_ast(loop*,
isl_ast_node*,\
 edge_def*, std::map<isl_id*, tree_node*, std::less<isl_id*>,
std::allocator<st\
d::pair<isl_id* const, tree_node*> > >&)^M 
        ../../gcc/graphite-isl-ast-to-gimple.c:1043^M