https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102797
--- Comment #2 from Dmitry G. Dyachenko <dimhen at gmail dot com> ---
r12-4256 PASS
r12-4444 FAIL
$ cat x.ii
struct b {
b(int);
};
void d() {
int c = 1;
do
try {
b a = 1;
while (1) {
c++;
a = 1;
}
} catch (...) {
}
while (1);
}
$ g++ -fpreprocessed -O2 -std=c++98 -c x.ii
during GIMPLE pass: evrp
x.ii: In function 'void d()':
x.ii:16:1: internal compiler error: tree check: expected class 'type', have
'exceptional' (error_mark) in useless_type_conversion_p, at gimple-expr.c:87
16 | }
| ^
0x90e691 tree_class_check_failed(tree_node const*, tree_code_class, char
const*, int, char const*)
/home/dimhen/src/gcc_current/gcc/tree.c:8739
0x7fcfb1 tree_class_check(tree_node*, tree_code_class, char const*, int, char
const*)
/home/dimhen/src/gcc_current/gcc/tree.h:3556
0x7fcfb1 useless_type_conversion_p(tree_node*, tree_node*)
/home/dimhen/src/gcc_current/gcc/gimple-expr.c:87
0x169677a verify_gimple_phi
/home/dimhen/src/gcc_current/gcc/tree-cfg.c:5128
0x169677a verify_gimple_in_cfg(function*, bool)
/home/dimhen/src/gcc_current/gcc/tree-cfg.c:5457
0x154ad27 execute_function_todo
/home/dimhen/src/gcc_current/gcc/passes.c:2042
0x154b73c execute_todo
/home/dimhen/src/gcc_current/gcc/passes.c:2096
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.
$ g++ -v
Using built-in specs.
COLLECT_GCC=/home/dimhen/arch-gcc/gcc_current/bin/g++
COLLECT_LTO_WRAPPER=/home/dimhen/arch-gcc/gcc_current/libexec/gcc/x86_64-pc-linux-gnu/12.0.0/lto-wrapper
OFFLOAD_TARGET_NAMES=nvptx-none
Target: x86_64-pc-linux-gnu
Configured with: /home/dimhen/src/gcc_current/configure
--prefix=/home/dimhen/arch-gcc/gcc_current
--enable-checking=yes,df,fold,rtl,extra --enable-languages=c,c++,lto
--disable-multilib --enable-shared --enable-threads=posix --enable-__cxa_atexit
--enable-gnu-unique-object --enable-linker-build-id
--with-linker-hash-style=gnu --enable-plugin --enable-initfini-array --with-isl
--enable-offload-targets=nvptx-none --without-cuda-driver
--enable-gnu-indirect-function --enable-cet --with-tune=native
--enable-libstdcxx-debug
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 12.0.0 20211015 (experimental) [master r12-4444-ga01704fc45a] (GCC)
