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Bug#1104902: marked as done (GCC 15 ICE on initializing static pointer array to pointer to extern variable)

Your message dated Mon, 4 Aug 2025 10:10:27 +0200
with message-id <7415b748-c2bf-4651-91ef-c9f3e8a72500@debian.org>
and subject line fixed
has caused the Debian Bug report #1104902,
regarding GCC 15 ICE on initializing static pointer array to pointer to extern variable
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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-- 
1104902: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1104902
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: g++-15
Version: 15.1.0-3
Severity: normal
X-Debbugs-Cc: springl-gcc-2025@bfw-online.de

Hi,

Debian GCC 15 has an ICE on a very short program. GCC 15.1.0 from the
gcc.gnu.org repository compiles ok.

$ cat  gcc-15-bug.cc 
int f ()
{ extern const int e;
  static const int *const l[] = {&e, 0};
  return *l && **l;
}

$ g++-15 -v -Wall -Wextra -c gcc-15-bug.cc
Using built-in specs.
COLLECT_GCC=g++-15
Target: i686-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Debian 15.1.0-3' --with-bugurl=file:///usr/share/doc/gcc-15/README.Bugs --enable-languages=c,ada,c++,go,d,fortran,objc,obj-c++,m2,rust,algol68 --prefix=/usr --with-gcc-major-version-only --program-suffix=-15 --program-prefix=i686-linux-gnu- --enable-shared --enable-linker-build-id --libexecdir=/usr/libexec --without-included-gettext --enable-threads=posix --libdir=/usr/lib --enable-nls --enable-bootstrap --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --with-default-libstdcxx-abi=new --enable-libstdcxx-backtrace --enable-gnu-unique-object --disable-vtable-verify --enable-plugin --enable-default-pie --with-system-zlib --enable-libphobos-checking=release --with-target-system-zlib=auto --enable-objc-gc=auto --enable-targets=all --enable-multiarch --disable-werror --with-arch-32=i686 --with-multilib-list=m32,m64,mx32 --enable-multilib --with-tune=generic --enable-checking=yes --build=i686-linux-gnu --host=i686-linux-gnu --target=i686-linux-gnu
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 15.1.0 (Debian 15.1.0-3) 
COLLECT_GCC_OPTIONS='-v' '-Wall' '-Wextra' '-c' '-shared-libgcc' '-mtune=generic' '-march=i686'
 /usr/libexec/gcc/i686-linux-gnu/15/cc1plus -quiet -v -imultiarch i386-linux-gnu -D_GNU_SOURCE gcc-15-bug.cc -quiet -dumpbase gcc-15-bug.cc -dumpbase-ext .cc -mtune=generic -march=i686 -Wall -Wextra -version -fasynchronous-unwind-tables -o /tmp/ccFMxYrs.s
GNU C++17 (Debian 15.1.0-3) version 15.1.0 (i686-linux-gnu)
        compiled by GNU C version 15.1.0, GMP version 6.3.0, MPFR version 4.2.2, MPC version 1.3.1, isl version isl-0.27-GMP

GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
ignoring duplicate directory "/usr/include/i386-linux-gnu/c++/15"
ignoring nonexistent directory "/usr/local/include/i386-linux-gnu"
ignoring nonexistent directory "/usr/lib/gcc/i686-linux-gnu/15/include-fixed/i386-linux-gnu"
ignoring nonexistent directory "/usr/lib/gcc/i686-linux-gnu/15/include-fixed"
ignoring nonexistent directory "/usr/lib/gcc/i686-linux-gnu/15/../../../../i686-linux-gnu/include"
#include "..." search starts here:
#include <...> search starts here:
 /usr/include/c++/15
 /usr/include/i386-linux-gnu/c++/15
 /usr/include/c++/15/backward
 /usr/lib/gcc/i686-linux-gnu/15/include
 /usr/local/include
 /usr/include/i386-linux-gnu
 /usr/include
End of search list.
Compiler executable checksum: 6719056d2b08748135a0500308d5887e
gcc-15-bug.cc: In function 'int f()':
gcc-15-bug.cc:1:5: error: address taken but 'TREE_ADDRESSABLE' bit not set
    1 | int f ()
      |     ^
_1 = &e;
gcc-15-bug.cc:1:5: error: address taken but 'TREE_ADDRESSABLE' bit not set
_2 = &e;
gcc-15-bug.cc:1:5: internal compiler error: 'verify_gimple' failed
0x98723c2 internal_error(char const*, ...)
        ../../src/gcc/diagnostic-global-context.cc:517
0x8957137 verify_gimple_in_seq(gimple*, bool)
        ../../src/gcc/tree-cfg.cc:5332
0x9b60280 gimplify_body(tree_node*, bool)
        ../../src/gcc/gimplify.cc:20916
0x9b5ff48 gimplify_function_tree(tree_node*)
        ../../src/gcc/gimplify.cc:21042
0x9a93d0a cgraph_node::analyze()
        ../../src/gcc/cgraphunit.cc:689
0x9a91f18 analyze_functions
        ../../src/gcc/cgraphunit.cc:1265
0xa0de4e1 symbol_table::finalize_compilation_unit()
        ../../src/gcc/cgraphunit.cc:2574
Please submit a full bug report, with preprocessed source (by using -freport-bug).
Please include the complete backtrace with any bug report.
See <file:///usr/share/doc/gcc-15/README.Bugs> for instructions.

Regards,
Stephan


-- System Information:
Debian Release: trixie/sid
  APT prefers testing
  APT policy: (550, 'testing'), (210, 'unstable'), (1, 'experimental')
Architecture: i386 (x86_64)

Kernel: Linux 6.13.7-64+ (SMP w/32 CPU threads; PREEMPT)
Locale: LANG=C, LC_CTYPE=de_DE (charmap=ISO-8859-1), LANGUAGE not set
Shell: /bin/sh linked to /usr/bin/dash
Init: sysvinit (via /sbin/init)

Versions of packages g++-15 depends on:
ii  g++-15-i686-linux-gnu  15.1.0-3
ii  gcc-15                 15.1.0-3
ii  gcc-15-base            15.1.0-3

g++-15 recommends no packages.

Versions of packages g++-15 suggests:
pn  g++-15-multilib  <none>
pn  gcc-15-doc       <none>

-- no debconf information

--- End Message ---
--- Begin Message --- 
Version: 15.1.0-10

fixed, at least not reproducible anymore with this version.

--- End Message ---
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