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* [Bug ipa/112517] New: [14 regression] ICE when buliding xen-tools (internal compiler error: in make_ssa_name_fn, at tree-ssanames.cc:354)
@ 2023-11-13 18:16 sjames at gcc dot gnu.org
2023-11-13 18:29 ` [Bug ipa/112517] " pinskia at gcc dot gnu.org
2023-11-13 18:31 ` pinskia at gcc dot gnu.org
0 siblings, 2 replies; 3+ messages in thread
From: sjames at gcc dot gnu.org @ 2023-11-13 18:16 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112517
Bug ID: 112517
Summary: [14 regression] ICE when buliding xen-tools (internal
compiler error: in make_ssa_name_fn, at
tree-ssanames.cc:354)
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: ipa
Assignee: unassigned at gcc dot gnu.org
Reporter: sjames at gcc dot gnu.org
CC: marxin at gcc dot gnu.org
Target Milestone: ---
Created attachment 56573
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=56573&action=edit
rsa.i
Initially reported downstream in Gentoo at https://bugs.gentoo.org/917294 by
Toralf Förster.
```
gcc -Wno-error=maybe-uninitialized -DARCH=i386 -DPLATFORM=pcbios
-DPLATFORM_pcbios -DSECUREBOOT=0 -march=i386 -fomit-frame-pointer
-fstrength-reduce -falign-jumps=1 -falign-loops=1 -falign-functions=1[8/9086]
rred-stack-boundary=2 -mregparm=3 -mrtd -freg-struct-return -m32 -fshort-wchar
-Ui386 -Ulinux -DNVALGRIND -UPXE_DHCP_STRICT -DPXE_DHCP_STRICT -UNO_POST_PROMPT
-DNO_POST_PROMPT -UCONSOLE_SERIAL -DCONSOLE_SERIA
L=1 -fno-stack-protector -Iinclude -I. -Iarch/x86/include -Iarch/i386/include
-Iarch/i386/include/pcbios -Os -g -ffreestanding -fcommon -Wall -W
-Wformat-nonliteral -fno-dwarf2-cfi-asm -fno-exceptions -fno-u
nwind-tables -fno-asynchronous-unwind-tables -Wno-address
-Wno-stringop-truncation -Wno-address-of-packed-member -fno-PIE -no-pie
-fcf-protection=none -Werror -ffunction-sections -include include/compiler.
h -DASM_TCHAR='@' -DASM_TCHAR_OPS='@' -DOBJECT=rsa -c crypto/rsa.c -o
bin/rsa.o
during IPA pass: inline
crypto/rsa.c: In function ‘rsa_init’:
crypto/rsa.c:249:21: internal compiler error: in make_ssa_name_fn, at
tree-ssanames.cc:354
249 | if ( ( rc = rsa_alloc ( context, modulus.len, exponent.len ) )
!= 0 )
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
0x5607a5714e59 make_ssa_name_fn(function*, tree_node*, gimple*, unsigned int)
/usr/src/debug/sys-devel/gcc-14.0.0_pre20231112/gcc-14-20231112/gcc/tree-ssanames.cc:354
0x5607a6f6e3ce make_ssa_name(tree_node*, gimple*)
/usr/src/debug/sys-devel/gcc-14.0.0_pre20231112/gcc-14-20231112/gcc/tree-ssanames.h:98
0x5607a6f6e3ce remap_ssa_name
/usr/src/debug/sys-devel/gcc-14.0.0_pre20231112/gcc-14-20231112/gcc/tree-inline.cc:237
0x5607a6f1149a copy_tree_body_r(tree_node**, int*, void*)
/usr/src/debug/sys-devel/gcc-14.0.0_pre20231112/gcc-14-20231112/gcc/tree-inline.cc:1226
0x5607a6d60131 walk_tree_1(tree_node**, tree_node* (*)(tree_node**, int*,
void*), void*, hash_set<tree_node*, false, default_hash_traits<tree_node*> >*,
tree_node* (*)(tree_node**, int*, tree_node* (*)(tree_n
ode**, int*, void*), void*, hash_set<tree_node*, false,
default_hash_traits<tree_node*> >*))
/usr/src/debug/sys-devel/gcc-14.0.0_pre20231112/gcc-14-20231112/gcc/tree.cc:11417
0x5607a6d60255 walk_tree_1(tree_node**, tree_node* (*)(tree_node**, int*,
void*), void*, hash_set<tree_node*, false, default_hash_traits<tree_node*> >*,
tree_node* (*)(tree_node**, int*, tree_node* (*)(tree_n
ode**, int*, void*), void*, hash_set<tree_node*, false,
default_hash_traits<tree_node*> >*))
/usr/src/debug/sys-devel/gcc-14.0.0_pre20231112/gcc-14-20231112/gcc/tree.cc:11651
0x5607a6d60255 walk_tree_1(tree_node**, tree_node* (*)(tree_node**, int*,
void*), void*, hash_set<tree_node*, false, default_hash_traits<tree_node*> >*,
tree_node* (*)(tree_node**, int*, tree_node* (*)(tree_n
ode**, int*, void*), void*, hash_set<tree_node*, false,
default_hash_traits<tree_node*> >*))
/usr/src/debug/sys-devel/gcc-14.0.0_pre20231112/gcc-14-20231112/gcc/tree.cc:11651
0x5607a772fb51 remap_type_1
/usr/src/debug/sys-devel/gcc-14.0.0_pre20231112/gcc-14-20231112/gcc/tree-inline.cc:595
0x5607a6efff70 remap_type(tree_node*, copy_body_data*)
/usr/src/debug/sys-devel/gcc-14.0.0_pre20231112/gcc-14-20231112/gcc/tree-inline.cc:713
0x5607a6ef7e68 remap_decl(tree_node*, copy_body_data*)
/usr/src/debug/sys-devel/gcc-14.0.0_pre20231112/gcc-14-20231112/gcc/tree-inline.cc:377
0x5607a6f1e5ff remap_decls
/usr/src/debug/sys-devel/gcc-14.0.0_pre20231112/gcc-14-20231112/gcc/tree-inline.cc:762
0x5607a6f1c41c remap_block
/usr/src/debug/sys-devel/gcc-14.0.0_pre20231112/gcc-14-20231112/gcc/tree-inline.cc:820
0x5607a6f1c41c remap_blocks
/usr/src/debug/sys-devel/gcc-14.0.0_pre20231112/gcc-14-20231112/gcc/tree-inline.cc:839
0x5607a6f1c51a remap_blocks
/usr/src/debug/sys-devel/gcc-14.0.0_pre20231112/gcc-14-20231112/gcc/tree-inline.cc:842
0x5607a6f1c51a remap_blocks
/usr/src/debug/sys-devel/gcc-14.0.0_pre20231112/gcc-14-20231112/gcc/tree-inline.cc:842
0x5607a6f2c935 expand_call_inline
/usr/src/debug/sys-devel/gcc-14.0.0_pre20231112/gcc-14-20231112/gcc/tree-inline.cc:5028
0x5607a6f25253 optimize_inline_calls(tree_node*)
/usr/src/debug/sys-devel/gcc-14.0.0_pre20231112/gcc-14-20231112/gcc/tree-inline.cc:5315
0x5607a6ef561a inline_transform(cgraph_node*)
/usr/src/debug/sys-devel/gcc-14.0.0_pre20231112/gcc-14-20231112/gcc/ipa-inline-transform.cc:790
0x5607a6ef1935 execute_one_ipa_transform_pass
/usr/src/debug/sys-devel/gcc-14.0.0_pre20231112/gcc-14-20231112/gcc/passes.cc:2333
0x5607a6ef1935 execute_all_ipa_transforms(bool)
/usr/src/debug/sys-devel/gcc-14.0.0_pre20231112/gcc-14-20231112/gcc/passes.cc:2396
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
Please include the complete backtrace with any bug report.
See <https://bugs.gentoo.org/> for instructions.
make: *** [Makefile.housekeeping:952: bin/rsa.o] Error 1
```
```
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/libexec/gcc/x86_64-pc-linux-gnu/14/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with:
/var/tmp/portage/sys-devel/gcc-14.0.0_pre20231112/work/gcc-14-20231112/configure
--host=x86_64-pc-linux-gnu --build=x86_64-pc-linux-gnu --prefix=/usr
--bindir=/usr/x86_64-pc-linux-gnu/gcc-bin/14
--includedir=/usr/lib/gcc/x86_64-pc-linux-gnu/14/include
--datadir=/usr/share/gcc-data/x86_64-pc-linux-gnu/14
--mandir=/usr/share/gcc-data/x86_64-pc-linux-gnu/14/man
--infodir=/usr/share/gcc-data/x86_64-pc-linux-gnu/14/info
--with-gxx-include-dir=/usr/lib/gcc/x86_64-pc-linux-gnu/14/include/g++-v14
--disable-silent-rules --disable-dependency-tracking
--with-python-dir=/share/gcc-data/x86_64-pc-linux-gnu/14/python
--enable-languages=c,c++,fortran,rust --enable-obsolete --enable-secureplt
--disable-werror --with-system-zlib --enable-nls --without-included-gettext
--disable-libunwind-exceptions --enable-checking=yes,extra,rtl
--with-bugurl=https://bugs.gentoo.org/ --with-pkgversion='Gentoo Hardened
14.0.0_pre20231112 p8' --with-gcc-major-version-only --enable-libstdcxx-time
--enable-lto --disable-libstdcxx-pch --enable-shared --enable-threads=posix
--enable-__cxa_atexit --enable-clocale=gnu --enable-multilib
--with-multilib-list=m32,m64 --disable-fixed-point --enable-targets=all
--enable-libgomp --disable-libssp --disable-libada --enable-cet
--disable-systemtap --enable-valgrind-annotations --disable-vtable-verify
--disable-libvtv --with-zstd --with-isl --disable-isl-version-check
--enable-default-pie --enable-host-pie --enable-host-bind-now
--enable-default-ssp --with-build-config='bootstrap-O3 bootstrap-lto
bootstrap-cet'
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 14.0.0 20231109 (experimental) (Gentoo Hardened 14.0.0_pre20231112
p8)
```
I can reproduce with 'gcc -c rsa.i -O2'.
^ permalink raw reply [flat|nested] 3+ messages in thread
* [Bug ipa/112517] [14 regression] ICE when buliding xen-tools (internal compiler error: in make_ssa_name_fn, at tree-ssanames.cc:354)
2023-11-13 18:16 [Bug ipa/112517] New: [14 regression] ICE when buliding xen-tools (internal compiler error: in make_ssa_name_fn, at tree-ssanames.cc:354) sjames at gcc dot gnu.org
@ 2023-11-13 18:29 ` pinskia at gcc dot gnu.org
2023-11-13 18:31 ` pinskia at gcc dot gnu.org
1 sibling, 0 replies; 3+ messages in thread
From: pinskia at gcc dot gnu.org @ 2023-11-13 18:29 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112517
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |DUPLICATE
Status|UNCONFIRMED |RESOLVED
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Dup of bug 112488.
*** This bug has been marked as a duplicate of bug 112488 ***
^ permalink raw reply [flat|nested] 3+ messages in thread
* [Bug ipa/112517] [14 regression] ICE when buliding xen-tools (internal compiler error: in make_ssa_name_fn, at tree-ssanames.cc:354)
2023-11-13 18:16 [Bug ipa/112517] New: [14 regression] ICE when buliding xen-tools (internal compiler error: in make_ssa_name_fn, at tree-ssanames.cc:354) sjames at gcc dot gnu.org
2023-11-13 18:29 ` [Bug ipa/112517] " pinskia at gcc dot gnu.org
@ 2023-11-13 18:31 ` pinskia at gcc dot gnu.org
1 sibling, 0 replies; 3+ messages in thread
From: pinskia at gcc dot gnu.org @ 2023-11-13 18:31 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112517
--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
The reduced testcase contains:
```
size_t tmp_len = ({
size_t mod_multiply_len = ({
sizeof(struct { struct { } temp_modulus; });
});
sizeof(struct {
struct {
bigint_element_t element[(size)];
} temp_exponent;
uint8_t mod_multiply[mod_multiply_len];
});
});
struct {
uint8_t tmp[tmp_len];
} __attribute__((packed)) * dynamic;
```
Which is the same VLA inside struct as what is in PR 112488 .
^ permalink raw reply [flat|nested] 3+ messages in thread
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2023-11-13 18:16 [Bug ipa/112517] New: [14 regression] ICE when buliding xen-tools (internal compiler error: in make_ssa_name_fn, at tree-ssanames.cc:354) sjames at gcc dot gnu.org
2023-11-13 18:29 ` [Bug ipa/112517] " pinskia at gcc dot gnu.org
2023-11-13 18:31 ` pinskia at gcc dot gnu.org
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