On 4/24/25 12:23 PM, Dimitar Dimitrov wrote:
Some backends do not define TARGET_ASM_OUTPUT_MI_THUNK. But the generic
thunk support cannot emit code for calling variadic methods of
multiple-inheritance classes. Example error for pru-unknown-elf:
.../gcc/gcc/testsuite/g++.dg/ipa/pr83549.C:7:24: error: generic thunk code
fails for method 'virtual void C::_ZThn4_N1C3fooEz(...)' which uses '...'
Disable the affected tests for all targets which do not define
TARGET_ASM_OUTPUT_MI_THUNK.
Ensured that test results with and without this patch for
x86_64-pc-linux-gnu are the same.
Ok for trunk?
gcc/testsuite/ChangeLog:
* g++.dg/ipa/pr83549.C: Require effective target
variadic_mi_thunk.
* g++.dg/ipa/pr83667.C: Ditto.
* g++.dg/torture/pr81812.C: Ditto.
* g++.old-deja/g++.jason/thunk3.C: Ditto.
* lib/target-supports.exp
(check_effective_target_variadic_mi_thunk): New function.
OK.
jeff
