Compiler crashes when compiling with -target-features:soft-float

[tlo9]

Context

System Info:

	Odin:    dev-2025-02
	OS:      Linux Mint 21.3, Linux 6.8.0-52-generic
	CPU:     AMD Ryzen 5 7600X 6-Core Processor             
	RAM:     63481 MiB
	Backend: LLVM 14.0.0

test.odin

package test

import "core:fmt"

main :: proc() {
    x: f32 = 3.0 / 12.0
    fmt.printfln("3 / 12 = %.2f", x)
}

Expected Behavior

The code should compile and run with the following being printed to stdout:

3 / 12 = 0.25

Current Behavior

After running odin run test.odin -file -target-features:soft-float, the compiler crashes. The file test.o is created, but it has a file size of 0. Similarly, executing odin build test.odin -file -target-features:soft-float results in a compiler crash.

Executing odin run test.odin -file, however, results in the expected behavior.

Failure Information (for bugs)

This is the output (likely due to a buffer overflow):

*** stack smashing detected ***: terminated
Aborted (core dumped)

Failure Logs

Feb 23 06:52:40 Case systemd[1]: Started Process Core Dump (PID 713913/UID 0).
Feb 23 06:52:41 Case systemd-coredump[713914]: Process 713900 (odin) of user 1000 dumped core.
                                               
                                               Found module /home/user/src/Odin-dev-2025-01/odin with build-id: 8c13b2e3ee216180deaa31c055457bc0b696c3b6
                                               Found module linux-vdso.so.1 with build-id: 01ded5aba9bc730203f9478e5241266163a868a2
                                               Found module libicudata.so.70 with build-id: b1c2496dd0543023c7a19c961bb7f3abc818f465
                                               Found module libmd.so.0 with build-id: cd2d2f71b3967ebde30e2aa43b8eb63339020c06
                                               Found module liblzma.so.5 with build-id: b85da6c48eb60a646615392559483b93617ef265
                                               Found module libicuuc.so.70 with build-id: bef3ff1d70aadd68aab07d858a759360c8b919ae
                                               Found module libbsd.so.0 with build-id: 9a6c72469251e2feb63e175ef5cb944ce6e00df3
                                               Found module libxml2.so.2 with build-id: 8d1673807d5b6cc31890cb3bcc5bcbc76e156304
                                               Found module libtinfo.so.6 with build-id: e22ba7829a55a0dec2201a0b6dac7ba236118561
                                               Found module libz.so.1 with build-id: 30840b79ac329ecbf1dec0bb60180eed256d319f
                                               Found module libedit.so.2 with build-id: 9fcc3490de1a1f4919b1f6e398c99c7fa25f6863
                                               Found module libffi.so.8 with build-id: 59c2a6b204f74f358ca7711d2dfd349d88711f6a
                                               Found module ld-linux-x86-64.so.2 with build-id: e4de036b19e4768e7591b596c4be9f9015f2d28a
                                               Found module libc.so.6 with build-id: cd410b710f0f094c6832edd95931006d883af48e
                                               Found module libgcc_s.so.1 with build-id: e3a44e0da9c6e835d293ed8fd2882b4c4a87130c
                                               Found module libLLVM-14.so.1 with build-id: 2bc68177e1745130d2e10f07f1644b9def97578b
                                               Found module libstdc++.so.6 with build-id: e37fe1a879783838de78cbc8c80621fa685d58a2
                                               Found module libm.so.6 with build-id: 7d8778fca8ea4621b268cc03662855d0cd983439
                                               Stack trace of thread 713900:
                                               #0  0x000074fb628969fc __pthread_kill_implementation (libc.so.6 + 0x969fc)
                                               #1  0x000074fb62842476 __GI_raise (libc.so.6 + 0x42476)
                                               #2  0x000074fb628287f3 __GI_abort (libc.so.6 + 0x287f3)
                                               #3  0x000074fb62889677 __libc_message (libc.so.6 + 0x89677)
                                               #4  0x000074fb6293659a __GI___fortify_fail (libc.so.6 + 0x13659a)
                                               #5  0x000074fb62936566 __stack_chk_fail (libc.so.6 + 0x136566)
                                               #6  0x000074fb6625ba4c n/a (libLLVM-14.so.1 + 0x365ba4c)
                                               #7  0x000074fb642034cb _ZNK4llvm14TargetLowering21LowerOperationWrapperEPNS_6SDNodeERNS_15SmallVectorImplINS_7SDValueEEERNS_12SelectionDAGE (libLLVM-14.so.1 + 0x16034cb)
                                               #8  0x000074fb64169afd n/a (libLLVM-14.so.1 + 0x1569afd)
                                               #9  0x000074fb6418a560 n/a (libLLVM-14.so.1 + 0x158a560)
                                               #10 0x000074fb64167089 n/a (libLLVM-14.so.1 + 0x1567089)
                                               #11 0x000074fb6416acbf _ZN4llvm12SelectionDAG13LegalizeTypesEv (libLLVM-14.so.1 + 0x156acbf)
                                               #12 0x000074fb64258150 _ZN4llvm16SelectionDAGISel17CodeGenAndEmitDAGEv (libLLVM-14.so.1 + 0x1658150)
                                               #13 0x000074fb642579c8 _ZN4llvm16SelectionDAGISel20SelectAllBasicBlocksERKNS_8FunctionE (libLLVM-14.so.1 + 0x16579c8)
                                               #14 0x000074fb64255557 _ZN4llvm16SelectionDAGISel20runOnMachineFunctionERNS_15MachineFunctionE (libLLVM-14.so.1 + 0x1655557)
                                               #15 0x000074fb661f7a0d n/a (libLLVM-14.so.1 + 0x35f7a0d)
                                               #16 0x000074fb63dc628e _ZN4llvm19MachineFunctionPass13runOnFunctionERNS_8FunctionE (libLLVM-14.so.1 + 0x11c628e)
                                               #17 0x000074fb63b7a390 _ZN4llvm13FPPassManager13runOnFunctionERNS_8FunctionE (libLLVM-14.so.1 + 0xf7a390)
                                               #18 0x000074fb63b81983 _ZN4llvm13FPPassManager11runOnModuleERNS_6ModuleE (libLLVM-14.so.1 + 0xf81983)
                                               #19 0x000074fb63b7af36 _ZN4llvm6legacy15PassManagerImpl3runERNS_6ModuleE (libLLVM-14.so.1 + 0xf7af36)
                                               #20 0x000074fb654b337c n/a (libLLVM-14.so.1 + 0x28b337c)
                                               #21 0x000074fb654b3174 LLVMTargetMachineEmitToFile (libLLVM-14.so.1 + 0x28b3174)
                                               #22 0x00005b9521937ce0 n/a (/home/user/src/Odin-dev-2025-01/odin + 0x73ce0)
                                               #23 0x00005b95218ffc57 n/a (/home/user/src/Odin-dev-2025-01/odin + 0x3bc57)
                                               #24 0x0000000000000011 n/a (n/a + 0x0)

[laytan]

Want to note we don't support soft floats currently, see #4143

That being said we shouldn't crash and burn like that though