[Bug c++/101420] New: ICE in build_special_member_call, at cp/call.c:10179

[avi@cloudius-systems.com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101420

            Bug ID: 101420
           Summary: ICE in build_special_member_call, at cp/call.c:10179
           Product: gcc
           Version: 11.1.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: avi@cloudius-systems.com
  Target Milestone: ---

The attached file ICEs with gcc 11.1.1. It compiles cleanly with clang 11.

Command line:

g++ -MD -MT build/dev/table.o -MF build/dev/table.o.d
-I/home/avi/scylla/seastar/include
-I/home/avi/scylla/build/dev/seastar/gen/include -std=gnu++20 -U_FORTIFY_SOURCE
-Wno-maybe-uninitialized -DSEASTAR_SSTRING -Werror=unused-result
-fstack-clash-protection -DSEASTAR_API_LEVEL=6
-DSEASTAR_ENABLE_ALLOC_FAILURE_INJECTION -DSEASTAR_TYPE_ERASE_MORE -DFMT_LOCALE
-DFMT_SHARED -I/usr/include/p11-kit-1  -DDEVEL
-DSEASTAR_ENABLE_ALLOC_FAILURE_INJECTION -DSCYLLA_ENABLE_ERROR_INJECTION
-Wstack-usage=21504 -Wno-error=stack-usage= -O2 -iquote. -iquote build/dev/gen
--std=gnu++20 -Wno-array-bounds -Wno-unused-but-set-variable -Wno-sign-compare
-Wno-narrowing -ffile-prefix-map=/home/avi/scylla=.  -march=westmere
-DBOOST_TEST_DYN_LINK   -Iabseil -fvisibility=hidden  -Wall -Werror
-Wno-mismatched-tags -Wno-maybe-uninitialized -Wno-tautological-compare
-Wno-missing-braces -Wno-misleading-indentation -Wno-overflow
-Wno-noexcept-type -Wno-nonnull-compare -Wno-error=cpp -Wno-ignored-attributes
-Wno-overloaded-virtual -Wno-stringop-overflow -Wno-redundant-move
-Wno-unused-variable -Wno-psabi -Wno-error=deprecated-declarations
-DXXH_PRIVATE_API -DSEASTAR_TESTING_MAIN -DHAVE_LZ4_COMPRESS_DEFAULT  -c -o
build/dev/table.o ice.cc