https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113617
--- Comment #23 from Francois-Xavier Coudert <fxcoudert at gcc dot gnu.org> ---
It's not being passed -shared on darwin:
Executing on host: /Users/fx/ibin-20240306/gcc/testsuite/g++/../../xg++
-B/Users/fx/ibin-20240306/gcc/testsuite/g++/../../
/Users/fx/gcc-upstream/gcc/testsuite/g++.dg/other/pr113617.C
-fdiagnostics-plain-output -nostdinc++
-I/Users/fx/ibin-20240306/x86_64-apple-darwin23/libstdc++-v3/include/x86_64-apple-darwin23
-I/Users/fx/ibin-20240306/x86_64-apple-darwin23/l
ibstdc++-v3/include -I/Users/fx/gcc-upstream/libstdc++-v3/libsupc++
-I/Users/fx/gcc-upstream/libstdc++-v3/include/backward
-I/Users/fx/gcc-upstream/libstdc++-v3/testsuite/util -fmessag
e-length=0 -std=gnu++20 -O2 -fPIC
/Users/fx/gcc-upstream/gcc/testsuite/g++.dg/other/pr113617-aux.cc -dumpbase ""
-L/Users/fx/ibin-20240306/x86_64-apple-darwin23/./libstdc++-v3/src
/.libs
-B/Users/fx/ibin-20240306/x86_64-apple-darwin23/./libstdc++-v3/src/.libs
-L/Users/fx/ibin-20240306/x86_64-apple-darwin23/./libstdc++-v3/src/.libs
-L/Users/fx/ibin-20240306/x8
6_64-apple-darwin23/./libstdc++-v3/src/experimental/.libs
-B/Users/fx/ibin-20240306/x86_64-apple-darwin23/./libitm/
-L/Users/fx/ibin-20240306/x86_64-apple-darwin23/./libitm/.libs -lm
-o pr113617.exe (timeout = 300)
