https://gcc.gnu.org/bugzilla/show_bug.cgi?id=127993
Bug ID: 127993
Summary: internal compiler error: in lower_coro_builtin, at
coroutine-passes.cc
Product: gcc
Version: 17.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: 0599jiangyc at gmail dot com
Target Milestone: ---
The following code:
```cpp
int x;
void *f (void *h) { return __builtin_coro_promise (h, (__SIZE_TYPE__) &x,
true); }
```
Resulted in this output:
```
during GIMPLE pass: coro-lower-builtins
<source>: In function 'void* f(void*)':
<source>:2:7: internal compiler error: in lower_coro_builtin, at
coroutine-passes.cc:110
2 | void *f (void *h) { return __builtin_coro_promise (h, (__SIZE_TYPE__)
&x, true); }
| ^
0x2c67ad8 diagnostics::context::diagnostic_impl(rich_location*,
diagnostics::metadata const*, diagnostics::option_id, char const*,
__va_list_tag (*) [1], diagnostics::kind)
???:0
0x2c5c71b internal_error(char const*, ...)
???:0
0xb9c742 fancy_abort(char const*, int, char const*)
???:0
0x1272e5b walk_gimple_stmt(gimple_stmt_iterator*, tree_node*
(*)(gimple_stmt_iterator*, bool*, walk_stmt_info*), tree_node* (*)(tree_node**,
int*, void*), walk_stmt_info*)
???:0
0x12730c5 walk_gimple_seq_mod(gimple**, tree_node* (*)(gimple_stmt_iterator*,
bool*, walk_stmt_info*), tree_node* (*)(tree_node**, int*, void*),
walk_stmt_info*)
???:0
/cefs/68/68355b14e76da62127dfa16c_gcc-trunk-20261018/bin/../libexec/gcc/x86_64-linux-gnu/17.0.0/cc1plus
-quiet -imultiarch x86_64-linux-gnu -iprefix
/cefs/68/68355b14e76da62127dfa16c_gcc-trunk-20261018/bin/../lib/gcc/x86_64-linux-gnu/17.0.0/
-D_GNU_SOURCE <source> -quiet -dumpdir /app/output.s- -dumpbase example.cpp
-dumpbase-ext .cpp -mtune=generic -march=x86-64 -g -fdiagnostics-color=always
-fno-verbose-asm -o /tmp/ccB8ayrb.s
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.
x86-64 gcc (trunk) - 1088ms
```
Trunk: https://godbolt.org/z/asc9bTaqa
