https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80778
Bug ID: 80778
Summary: gcc.dg/auto-type-1.c ICEs with -flto
Product: gcc
Version: 8.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code, wrong-code
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: rguenth at gcc dot gnu.org
Target Milestone: ---
Looks like
#0 0x0000000000c16e6c in lto_input_tree_ref (ib=0x7fffffffd880,
data_in=0x2715700, fn=0x0, tag=LTO_ssa_name_ref)
at /space/rguenther/src/svn/trunk/gcc/lto-streamer-in.c:332
#1 0x0000000000c19eaf in lto_input_tree_1 (ib=0x7fffffffd880,
data_in=0x2715700, tag=LTO_ssa_name_ref, hash=0)
at /space/rguenther/src/svn/trunk/gcc/lto-streamer-in.c:1440
#2 0x0000000000c1a0de in lto_input_tree (ib=0x7fffffffd880, data_in=0x2715700)
at /space/rguenther/src/svn/trunk/gcc/lto-streamer-in.c:1486
#3 0x00000000010bc16b in lto_input_ts_exp_tree_pointers (ib=0x7fffffffd880,
data_in=0x2715700, expr=<mult_expr 0x7ffff6a812a8>)
at /space/rguenther/src/svn/trunk/gcc/tree-streamer-in.c:875
#4 0x00000000010bcac4 in streamer_read_tree_body (ib=0x7fffffffd880,
data_in=0x2715700, expr=<mult_expr 0x7ffff6a812a8>)
at /space/rguenther/src/svn/trunk/gcc/tree-streamer-in.c:1061
#5 0x0000000000c19b85 in lto_read_tree_1 (ib=0x7fffffffd880,
data_in=0x2715700, expr=<mult_expr 0x7ffff6a812a8>)
at /space/rguenther/src/svn/trunk/gcc/lto-streamer-in.c:1333
#6 0x0000000000c19c5e in lto_read_tree (ib=0x7fffffffd880, data_in=0x2715700,
tag=71, hash=1088263761)
at /space/rguenther/src/svn/trunk/gcc/lto-streamer-in.c:1357
#7 0x0000000000c1a075 in lto_input_tree_1 (ib=0x7fffffffd880,
data_in=0x2715700, tag=71, hash=1088263761)
at /space/rguenther/src/svn/trunk/gcc/lto-streamer-in.c:1469
#8 0x0000000000c19cd8 in lto_input_scc (ib=0x7fffffffd880, data_in=0x2715700,
len=0x7fffffffd6a8, entry_len=0x7fffffffd6a4)
at /space/rguenther/src/svn/trunk/gcc/lto-streamer-in.c:1381
#9 0x0000000000c1a0a9 in lto_input_tree (ib=0x7fffffffd880, data_in=0x2715700)
at /space/rguenther/src/svn/trunk/gcc/lto-streamer-in.c:1484
#10 0x0000000000c18d77 in input_function (
fn_decl=<function_decl 0x7ffff6a79d00 main>, data_in=0x2715700,
ib=0x7fffffffd880, ib_cfg=0x7fffffffd860)
at /space/rguenther/src/svn/trunk/gcc/lto-streamer-in.c:1042
1041 /* Read the tree of lexical scopes for the function. */
1042 DECL_INITIAL (fn_decl) = stream_read_tree (ib, data_in);
looks like some variable has un-gimplified VLA bounds, aka DECL_EXPRs are
missing.
