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From: "marxin at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug ipa/94217] [10 Regression] ICE in ipa_find_agg_cst_for_param,
 at ipa-prop.c:3467 since r10-7237-g4e3d3e40726e1b68
Date: Wed, 18 Mar 2020 19:37:04 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D94217

--- Comment #5 from Martin Li=C5=A1ka <marxin at gcc dot gnu.org> ---
Created attachment 48060
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D48060&action=3Dedit
Reduced test-case without a warning

$ gcc -O2 -flto star.ii -shared
during IPA pass: cp
lto1: internal compiler error: in ipa_find_agg_cst_for_param, at
ipa-prop.c:3467
0x66038d ipa_find_agg_cst_for_param(ipa_agg_value_set*, tree_node*, long, b=
ool,
bool*)
        /home/marxin/Programming/gcc/gcc/ipa-prop.c:3467
0x66038d ipa_find_agg_cst_for_param(ipa_agg_value_set*, tree_node*, long, b=
ool,
bool*)
        /home/marxin/Programming/gcc/gcc/ipa-prop.c:3440
0xae630f evaluate_conditions_for_known_args
        /home/marxin/Programming/gcc/gcc/ipa-fnsummary.c:371
0xaefdb9 estimate_ipcp_clone_size_and_time(cgraph_node*, vec<tree_node*,
va_heap, vl_ptr>, vec<ipa_polymorphic_call_context, va_heap, vl_ptr>,
vec<ipa_agg_value_set, va_heap, vl_ptr>, int*, sreal*, sreal*, int*)
        /home/marxin/Programming/gcc/gcc/ipa-fnsummary.c:3658
0x167ff18 estimate_local_effects
        /home/marxin/Programming/gcc/gcc/ipa-cp.c:3478
0x168a26f propagate_constants_topo
        /home/marxin/Programming/gcc/gcc/ipa-cp.c:3816
0x168a26f ipcp_propagate_stage
        /home/marxin/Programming/gcc/gcc/ipa-cp.c:3912
0x168a26f ipcp_driver
        /home/marxin/Programming/gcc/gcc/ipa-cp.c:5908
0x168a26f execute
        /home/marxin/Programming/gcc/gcc/ipa-cp.c:6001
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
lto-wrapper: fatal error: gcc returned 1 exit status
compilation terminated.
/usr/bin/ld: error: lto-wrapper failed
collect2: error: ld returned 1 exit status=