https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121079
Bug ID: 121079
Summary: ICE on x86_64-linux-gnu: tree check: expected tree
that contains 'common' structure, have 'integer_cst'
in copy_list, at tree.cc:1508
Product: gcc
Version: 16.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: jiangchangwu at smail dot nju.edu.cn
Target Milestone: ---
Compiler Explorer: https://gcc.godbolt.org/z/xcYvoGo97
*******************************************************************************
gcc version:
Using built-in specs.
COLLECT_GCC=gcc-trunk
COLLECT_LTO_WRAPPER=/home/software/gcc-trunk/libexec/gcc/x86_64-pc-linux-gnu/16.0.0/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: ../gcc/configure --disable-multilib --disable-bootstrap
--enable-languages=c,c++ --prefix=/home/software/gcc-trunk --enable-coverage
--disable-werror --enable-checking=yes
Thread model: posix
Supported LTO compression algorithms: zlib
gcc version 16.0.0 20250613 (experimental) (GCC)
*******************************************************************************
Program:
$ cat mutant.c
__attribute__((no_sanitize("")))
#define a(b) __attribute__(b)
void c ();
a((copy(c))) d()
*******************************************************************************
Command Lines:
$ gcc mutant.c
mutant.c:4:1: internal compiler error: tree check: expected tree that contains
'common' structure, have 'integer_cst' in copy_list, at tree.cc:1508
4 | a((copy(c))) d()
| ^
0x5554b38 internal_error(char const*, ...)
../../gcc/gcc/diagnostic-global-context.cc:517
0x2961e1f tree_contains_struct_check_failed(tree_node const*,
tree_node_structure_enum, char const*, int, char const*)
../../gcc/gcc/tree.cc:9276
0xec7c27 contains_struct_check(tree_node*, tree_node_structure_enum, char
const*, int, char const*)
../../gcc/gcc/tree.h:3857
0x292c49c copy_list(tree_node*)
../../gcc/gcc/tree.cc:1508
0x122ecde handle_copy_attribute
../../gcc/gcc/c-family/c-attribs.cc:3413
0xebdce9 decl_attributes(tree_node**, tree_node*, int, tree_node*)
../../gcc/gcc/attribs.cc:904
0xef0914 c_decl_attributes
../../gcc/gcc/c/c-decl.cc:5564
0xf12ec8 start_function(c_declspecs*, c_declarator*, tree_node*)
../../gcc/gcc/c/c-decl.cc:10655
0xffa60c c_parser_declaration_or_fndef
../../gcc/gcc/c/c-parser.cc:3117
0xff59fd c_parser_external_declaration
../../gcc/gcc/c/c-parser.cc:2155
0xff4ea2 c_parser_translation_unit
../../gcc/gcc/c/c-parser.cc:2009
0x10a17ee c_parse_file()
../../gcc/gcc/c/c-parser.cc:30153
0x11d7aeb c_common_parse_file()
../../gcc/gcc/c-family/c-opts.cc:1385
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
