https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108277
Bug ID: 108277
Summary: arm: error: generic thunk code fails with
-march=armv8-m.base
Product: gcc
Version: 13.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: acoplan at gcc dot gnu.org
Target Milestone: ---
The test g++.dg/torture/pr81812.C is rejected with -march=armv8-m.base (but is
accepted with e.g. -march=armv8-m.main):
$ gcc/xgcc -B gcc -v
Reading specs from gcc/specs
COLLECT_GCC=gcc/xgcc
COLLECT_LTO_WRAPPER=gcc/lto-wrapper
Target: arm-eabi
Configured with: /home/alecop01/toolchain/src/gcc/configure
--prefix=/data_sdb/toolchain/cc1s/arm --enable-languages=c,c++
--disable-bootstrap --target=arm-eabi
Thread model: single
Supported LTO compression algorithms: zlib
gcc version 13.0.0 20230103 (experimental) (GCC)
$ gcc/xgcc -B gcc -c ~/toolchain/src/gcc/gcc/testsuite/g++.dg/torture/pr81812.C
-march=armv8-m.main
$ gcc/xgcc -B gcc -c ~/toolchain/src/gcc/gcc/testsuite/g++.dg/torture/pr81812.C
-march=armv8-m.base
/home/alecop01/toolchain/src/gcc/gcc/testsuite/g++.dg/torture/pr81812.C:6:8:
error: generic thunk code fails for method ‘virtual void
ChildNode::_ZTv0_n12_NK9ChildNode5errorEz(...) const’ which uses ‘...’
6 | void error(... ) const;
| ^~~~~
