Public bug reported:

The glycin package FTBFS on riscv64 with rustc-1.97/llvm22

https://launchpadlibrarian.net/875504388/buildlog_ubuntu-stonking-
riscv64.glycin_2.2~beta.1+ds-0ubuntu1_BUILDING.txt.gz

error: rustc interrupted by SIGSEGV, printing backtrace

/usr/lib/riscv64-linux-gnu/librustc_driver-646b0535d0e8ef10.so(+0x8ea82a) 
[0x7ff0fe2ea82a]
linux-vdso.so.1(__vdso_rt_sigreturn+0x0) [0x7ff1035335e0]
/usr/lib/riscv64-linux-gnu/libLLVM.so.22.1(_ZN4llvm16VPTransformState3getEPKNS_7VPValueERKNS_6VPLaneE+0x206)
 [0x7ff0fb2fccf0]
/usr/lib/riscv64-linux-gnu/libLLVM.so.22.1(_ZN4llvm16VPTransformState3getEPKNS_7VPValueEb+0x44)
 [0x7ff0fb2fcd9a]
/usr/lib/riscv64-linux-gnu/libLLVM.so.22.1(_ZN4llvm13VPInstruction8generateERNS_16VPTransformStateE+0x7e4)
 [0x7ff0fb3208b8]
/usr/lib/riscv64-linux-gnu/libLLVM.so.22.1(_ZN4llvm13VPInstruction7executeERNS_16VPTransformStateE+0x76)
 [0x7ff0fb32288e]
/usr/lib/riscv64-linux-gnu/libLLVM.so.22.1(_ZN4llvm12VPBasicBlock7executeEPNS_16VPTransformStateE+0x308)
 [0x7ff0fb2fdfce]
/usr/lib/riscv64-linux-gnu/libLLVM.so.22.1(_ZN4llvm5VPlan7executeEPNS_16VPTransformStateE+0x16c)
 [0x7ff0fb300e02]
/usr/lib/riscv64-linux-gnu/libLLVM.so.22.1(_ZN4llvm24LoopVectorizationPlanner11executePlanENS_12ElementCountEjRNS_5VPlanERNS_19InnerLoopVectorizerEPNS_13DominatorTreeEb+0x840)
 [0x7ff0fb1df7b2]
/usr/lib/riscv64-linux-gnu/libLLVM.so.22.1(_ZN4llvm17LoopVectorizePass11processLoopEPNS_4LoopE+0x1c4a)
 [0x7ff0fb1e8c96]
/usr/lib/riscv64-linux-gnu/libLLVM.so.22.1(_ZN4llvm17LoopVectorizePass7runImplERNS_8FunctionE+0x10a)
 [0x7ff0fb1eee5a]
/usr/lib/riscv64-linux-gnu/libLLVM.so.22.1(_ZN4llvm17LoopVectorizePass3runERNS_8FunctionERNS_15AnalysisManagerIS1_JEEE+0x280)
 [0x7ff0fb1ef33e]
/usr/lib/riscv64-linux-gnu/libLLVM.so.22.1(+0x7ee30fa) [0x7ff0fd0e30fa]
/usr/lib/riscv64-linux-gnu/libLLVM.so.22.1(_ZN4llvm11PassManagerINS_8FunctionENS_15AnalysisManagerIS1_JEEEJEE3runERS1_RS3_+0xf8)
 [0x7ff0fa26c7f2]
/usr/lib/riscv64-linux-gnu/libLLVM.so.22.1(+0x6eb15f6) [0x7ff0fc0b15f6]
/usr/lib/riscv64-linux-gnu/libLLVM.so.22.1(_ZN4llvm27ModuleToFunctionPassAdaptor3runERNS_6ModuleERNS_15AnalysisManagerIS1_JEEE+0xe4)
 [0x7ff0fa26f7da]
/usr/lib/riscv64-linux-gnu/libLLVM.so.22.1(+0x6eb2950) [0x7ff0fc0b2950]
/usr/lib/riscv64-linux-gnu/libLLVM.so.22.1(_ZN4llvm11PassManagerINS_6ModuleENS_15AnalysisManagerIS1_JEEEJEE3runERS1_RS3_+0xf8)
 [0x7ff0fa26baca]
/usr/lib/riscv64-linux-gnu/librustc_driver-646b0535d0e8ef10.so(+0xda2190) 
[0x7ff0fe7a2190]
/usr/lib/riscv64-linux-gnu/librustc_driver-646b0535d0e8ef10.so(+0xce6430) 
[0x7ff0fe6e6430]
/usr/lib/riscv64-linux-gnu/librustc_driver-646b0535d0e8ef10.so(+0xceaada) 
[0x7ff0fe6eaada]
/usr/lib/riscv64-linux-gnu/librustc_driver-646b0535d0e8ef10.so(+0xd7b958) 
[0x7ff0fe77b958]
/usr/lib/riscv64-linux-gnu/librustc_driver-646b0535d0e8ef10.so(_RINvNtNtCs8HIIVnFLVsx_3std3sys9backtrace28___rust_begin_short_backtraceNCINvNtNtCs3nlVwpm3A9W_17rustc_codegen_ssa4back5write10spawn_workNtCsgOaSkWfb0SV_18rustc_codegen_llvm18LlvmCodegenBackendE0uEB2c_+0xc6)
 [0x7ff0fe650724]
/usr/lib/riscv64-linux-gnu/librustc_driver-646b0535d0e8ef10.so(+0xc3bec2) 
[0x7ff0fe63bec2]
/usr/lib/riscv64-linux-gnu/librustc_driver-646b0535d0e8ef10.so(+0x4278db6) 
[0x7ff101c78db6]
/usr/lib/riscv64-linux-gnu/libc.so.6(+0x77ee2) [0x7ff0fd8e8ee2]
/usr/lib/riscv64-linux-gnu/libc.so.6(+0xd16bc) [0x7ff0fd9426bc]

note: we would appreciate a report at https://github.com/rust-lang/rust
help: you can increase rustc's stack size by setting RUST_MIN_STACK=16777216
note: backtrace dumped due to SIGSEGV! resuming signal
error: could not compile `image-webp` (lib)

** Affects: glycin (Ubuntu)
     Importance: Undecided
         Status: New

** Affects: rustc-1.97 (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: update-excuse

** Also affects: glycin (Ubuntu)
   Importance: Undecided
       Status: New

** Tags added: update-excuse

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https://bugs.launchpad.net/bugs/2166327

Title:
  SIGSEGV when compiling the `image-webp` crate on riscv64

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