https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83125
Bug ID: 83125
Summary: [8 regeression] ICE in edge_badness, at
ipa-inline.c:1025
Product: gcc
Version: 8.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: ipa
Assignee: unassigned at gcc dot gnu.org
Reporter: dimhen at gmail dot com
CC: marxin at gcc dot gnu.org
Target Milestone: ---
r254663 PASS
r254924 FAIL
r255090 FAIL
sound similar to PR83001 and PR83051
PASS if I lower
-O level
or
--param early-inlining-insns value
or
--param max-early-inliner-iterations value
or
remove -fPIC -DPIC
$ g++ -Werror -Wall -O2 --param early-inlining-insns=36 --param
max-early-inliner-iterations=20 -std=c++98 -c -fpreprocessed x.ii -fPIC -DPIC
during IPA pass: inline
x.ii:43:10: internal compiler error: in edge_badness, at ipa-inline.c:1024
t::~t() {}
^
0x9e3f48 edge_badness
/home/dimhen/src/gcc_current/gcc/ipa-inline.c:1023
0x18e6859 update_edge_key
/home/dimhen/src/gcc_current/gcc/ipa-inline.c:1223
0x18e6d98 update_caller_keys
/home/dimhen/src/gcc_current/gcc/ipa-inline.c:1345
0x18e6cdb update_caller_keys
/home/dimhen/src/gcc_current/gcc/ipa-inline.c:1334
0x18e819b inline_small_functions
/home/dimhen/src/gcc_current/gcc/ipa-inline.c:2051
0x18e819b ipa_inline
/home/dimhen/src/gcc_current/gcc/ipa-inline.c:2442
0x18e819b execute
/home/dimhen/src/gcc_current/gcc/ipa-inline.c:2849
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.
$ cat x.ii
class a {
public:
void b(int *);
};
struct c {
c *d;
};
struct G : c {
int *e();
};
template <typename> struct f {
typedef G *h;
a i();
void j();
h k;
void l() {
int m = *k->e();
i().b(&m);
j();
}
void n(h);
~f() {
G o;
n(&o);
}
};
template <typename g> void f<g>::n(h p) {
h q, r = 0;
while (p) {
q = h(p->d);
n(q);
}
l();
p = r;
}
struct D {
f<int> s;
};
struct t {
~t();
D v;
};
t::~t() {}
$ gcc -v
Using built-in specs.
COLLECT_GCC=/usr/local/gcc_current/bin/gcc
COLLECT_LTO_WRAPPER=/usr/local/gcc_current/libexec/gcc/x86_64-pc-linux-gnu/8.0.0/lto-wrapper
OFFLOAD_TARGET_NAMES=nvptx-none
Target: x86_64-pc-linux-gnu
Configured with: /home/dimhen/src/gcc_current/configure
--prefix=/usr/local/gcc_current --enable-checking=yes,df,fold,rtl,extra
--enable-languages=c,c++,lto --disable-multilib --enable-shared
--enable-threads=posix --enable-__cxa_atexit --disable-libunwind-exceptions
--enable-gnu-unique-object --enable-linker-build-id
--with-linker-hash-style=gnu --enable-plugin --enable-initfini-array --with-isl
--enable-libmpx --enable-offload-targets=nvptx-none --without-cuda-driver
--enable-gnu-indirect-function --with-tune=native
Thread model: posix
gcc version 8.0.0 20171123 (experimental) [trunk revision 255090] (GCC)
