`-Ofast` might cause problems?

[ZERICO2005]

-Oz emitted ___mulsc3 (related to complex multiplication), so I tried to fix it by adding -Ofast:

C:/msys64/ucrt64/bin/mingw32-make.exe -C floating_point/float32_math/
mingw32-make[1]: Entering directory 'C:/Users/zerico/Programming/ez80/toolchain/test/floating_point/float32_math'
[cc] src/main.cpp
[lto] obj/lto.bc
fatal error: error in backend: unable to legalize instruction: %23:_(s32) = nnan ninf nsz arcp contract afn
      reassoc G_FLDEXP %19:_, %22:_(s24) (in function: _ZNSt3__16__math7__hypotB8nn190107IfEET_S2_S2_S2_)
PLEASE submit a bug report to https://github.com/CE-Programming/llvm-project/issues/ and include the crash backtrace, preprocessed source, and associated run script.
Stack dump:
0.      Program arguments: C:\\Users\\zerico\\Programming\\ez80\\toolchain\\CEdev\\bin\\ez80-clang.exe -S -mllvm -profile-guided-section-prefix=false -mllvm -z80-gas-style -ffunction-sections -fdata-sections -fno-addrsig -fno-autolink -fno-threadsafe-statics -Wall -Wextra -Wshadow -Wimplicit-float-conversion -Wimplicit-int-float-conversion -Ofast C:/Users/zerico/Programming/ez80/toolchain/test/floating_point/float32_math/obj/lto.bc -o C:/Users/zerico/Programming/ez80/toolchain/test/floating_point/float32_math/obj/lto.s
1.      Code generation
2.      Running pass 'Function Pass Manager' on module 'C:/Users/zerico/Programming/ez80/toolchain/test/floating_point/float32_math/obj/lto.bc'.
3.      Running pass 'Legalizer' on function '@_ZNSt3__16__math7__hypotB8nn190107IfEET_S2_S2_S2_'
Exception Code: 0xE0000046
0x75722404, C:\WINDOWS\System32\KERNELBASE.dll(0x00000000755C0000) + 0x162404 byte(s), RaiseException() + 0x64 byte(s)
0x007837D6, C:\Users\zerico\Programming\ez80\toolchain\CEdev\bin\ez80-clang.exe(0x00000000004D0000) + 0x2B37D6 byte(s)
0x01000000, C:\Users\zerico\Programming\ez80\toolchain\CEdev\bin\ez80-clang.exe(0x00000000004D0000) + 0xB30000 byte(s)
0x656C0100 <unknown module>
ez80-clang: error: clang frontend command failed with exit code 70 (use -v to see invocation)
clang version 17.0.6 (https://github.com/CE-Programming/llvm-project 262d0ad4ac4c788b0e865b638c397598e797c12c)
Target: ez80
Thread model: posix
InstalledDir: C:\Users\zerico\Programming\ez80\toolchain\CEdev\bin
ez80-clang: note: diagnostic msg: Error generating preprocessed source(s) - no preprocessable inputs.
mingw32-make[1]: *** [C:\Users\zerico\Programming\ez80\toolchain\CEdev\meta\makefile.mk:445: obj/lto.s] Error 1
mingw32-make[1]: Leaving directory 'C:/Users/zerico/Programming/ez80/toolchain/test/floating_point/float32_math'
mingw32-make: *** [makefile:10: floating_point/float32_math/makefile] Error 2