Hi Richard, On Thu, 2023-09-28 10:55:46 +0100, Richard Sandiford <[email protected]> wrote: > poly_int was written before the switch to C++11 and so couldn't > use explicit default constructors. This led to an awkward split > between poly_int_pod and poly_int. poly_int simply inherited from > poly_int_pod and added constructors, with the argumentless constructor > having an empty body. But inheritance meant that poly_int had to > repeat the assignment operators from poly_int_pod (again, no C++11, > so no "using" to inherit base-class implementations). [...]
I haven't bisected it, but I guess your patch caused this:
[all 2023-10-02 06:59:02]
/var/lib/laminar/run/gcc-local/75/local-toolchain-install/bin/g++ -std=c++11
-fno-PIE -c -g -O2 -DIN_GCC -fno-exceptions -fno-rtti
-fasynchronous-unwind-tables -W -Wall -Wno-narrowing -Wwrite-strings
-Wcast-qual -Wmissing-format-attribute -Wconditionally-supported
-Woverloaded-virtual -pedantic -Wno-long-long -Wno-variadic-macros
-Wno-overlength-strings -Werror -fno-common -DHAVE_CONFIG_H -fno-PIE -I. -I.
-I../../gcc/gcc -I../../gcc/gcc/. -I../../gcc/gcc/../include
-I../../gcc/gcc/../libcpp/include -I../../gcc/gcc/../libcody
-I../../gcc/gcc/../libdecnumber -I../../gcc/gcc/../libdecnumber/bid
-I../libdecnumber -I../../gcc/gcc/../libbacktrace -o rtl-tests.o -MT
rtl-tests.o -MMD -MP -MF ./.deps/rtl-tests.TPo ../../gcc/gcc/rtl-tests.cc
[all 2023-10-02 06:59:04] In file included from ../../gcc/gcc/coretypes.h:480,
[all 2023-10-02 06:59:04] from ../../gcc/gcc/rtl-tests.cc:22:
[all 2023-10-02 06:59:04] ../../gcc/gcc/poly-int.h: In instantiation of
'constexpr poly_int<N, T>::poly_int(poly_int_full, const Cs& ...) [with Cs =
{int, int}; unsigned int N = 1; C = long int]':
[all 2023-10-02 06:59:04] ../../gcc/gcc/poly-int.h:439:13: required from here
[all 2023-10-02 06:59:04] ../../gcc/gcc/rtl-tests.cc:249:25: in 'constexpr'
expansion of 'poly_int<1, long int>(1, 1)'
[all 2023-10-02 06:59:04] ../../gcc/gcc/poly-int.h:453:5: error: too many
initializers for 'long int [1]'
[all 2023-10-02 06:59:04] 453 | : coeffs { (typename poly_coeff_traits<C>::
[all 2023-10-02 06:59:04] | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[all 2023-10-02 06:59:04] 454 | template init_cast<Cs>::type
(cs))... } {}
[all 2023-10-02 06:59:04] |
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[all 2023-10-02 06:59:04] make[1]: *** [Makefile:1188: rtl-tests.o] Error 1
[all 2023-10-02 06:59:04] make[1]: Leaving directory
'/var/lib/laminar/run/gcc-local/75/toolchain-build/gcc'
[all 2023-10-02 06:59:05] make: *** [Makefile:4993: all-gcc] Error 2
(Full build log at
http://toolchain.lug-owl.de/laminar/jobs/gcc-local/75 . That's in a
Docker container on amd64-linux with the host gcc being at fairly new
at basepoints/gcc-14-3827-g30e6ee07458)
MfG, JBG
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