https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112953
Bug ID: 112953
Summary: [14 Regressions] -Wno-attributes* failures under
valgrind
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: middle-end
Assignee: unassigned at gcc dot gnu.org
Reporter: jakub at gcc dot gnu.org
Target Milestone: ---
In --enable-checking=release,valgrind build I'm seeing
FAIL: c-c++-common/Wno-attributes-2.c -Wc++-compat (test for excess errors)
Excess errors:
==974681== Mismatched free() / delete / delete []
==974681== at 0x484965B: operator delete[](void*) (vg_replace_malloc.c:1103)
==974681== by 0x707434: free_attr_data() (attribs.cc:318)
==974681== by 0xCFF8A4: compile_file() (toplev.cc:454)
==974681== by 0x704D23: do_compile (toplev.cc:2150)
==974681== by 0x704D23: toplev::main(int, char**) (toplev.cc:2306)
==974681== by 0x7064BA: main (main.cc:39)
==974681== Address 0x51dffa0 is 0 bytes inside a block of size 40 alloc'd
==974681== at 0x4845FF5: operator new(unsigned long)
(vg_replace_malloc.c:422)
==974681== by 0x70A040: handle_ignored_attributes_option(vec<char*, va_heap,
vl_ptr>*) (attribs.cc:301)
==974681== by 0x7FA089: handle_pragma_diagnostic_impl<false, false>
(c-pragma.cc:934)
==974681== by 0x7FA089: handle_pragma_diagnostic(cpp_reader*)
(c-pragma.cc:1028)
==974681== by 0x75814F: c_parser_pragma(c_parser*, pragma_context, bool*)
(c-parser.cc:14707)
==974681== by 0x784A85: c_parser_external_declaration(c_parser*)
(c-parser.cc:2027)
==974681== by 0x785223: c_parser_translation_unit (c-parser.cc:1900)
==974681== by 0x785223: c_parse_file() (c-parser.cc:26713)
==974681== by 0x7F6331: c_common_parse_file() (c-opts.cc:1301)
==974681== by 0xCFF87D: compile_file() (toplev.cc:446)
==974681== by 0x704D23: do_compile (toplev.cc:2150)
==974681== by 0x704D23: toplev::main(int, char**) (toplev.cc:2306)
==974681== by 0x7064BA: main (main.cc:39)
(and also in -4.c, -5.c, -6.c).
This was introduced in r14-6076-g7fa24687aa3a683fd105ce5ff6b176f48dca3b6c I
believe.
