panic: runtime error: invalid memory address or nil pointer dereference [recovered]

[cpellet]

Running the program gives `panic: runtime error: invalid memory address or nil pointer dereference [recovered] panic: runtime error: invalid memory address or nil pointer dereference [signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x62178f]

goroutine 84 [running]: go/types.(Checker).handleBailout(0xc000b1e1c0, 0xc000b29bf0) /home/cyrus/sdk/go1.23.1/src/go/types/check.go:404 +0x88 panic({0xad0d40?, 0x1006d80?}) /home/cyrus/sdk/go1.23.1/src/runtime/panic.go:785 +0x132 go/types.(StdSizes).Sizeof(0x0, {0xc55880, 0x100dc80}) /home/cyrus/sdk/go1.23.1/src/go/types/sizes.go:229 +0x30f go/types.(Config).sizeof(...) /home/cyrus/sdk/go1.23.1/src/go/types/sizes.go:334 go/types.representableConst.func1({0xc55880?, 0x100dc80?}) /home/cyrus/sdk/go1.23.1/src/go/types/const.go:77 +0x86 go/types.representableConst({0xc59278, 0x105e000}, 0xc000b1e1c0, 0x100dc80, 0xc000b28ea0) /home/cyrus/sdk/go1.23.1/src/go/types/const.go:93 +0x173 go/types.(Checker).representation(0xc000b1e1c0, 0xc0006b3640, 0x100dc80) /home/cyrus/sdk/go1.23.1/src/go/types/const.go:257 +0x65 go/types.(Checker).implicitTypeAndValue(0xc000b1e1c0, 0xc0006b3640, {0xc55880, 0x100dc80}) /home/cyrus/sdk/go1.23.1/src/go/types/expr.go:377 +0x2d7 go/types.(Checker).assignment(0xc000b1e1c0, 0xc0006b3640, {0xc55880, 0x100dc80}, {0xb72b4a, 0x10}) /home/cyrus/sdk/go1.23.1/src/go/types/assignments.go:70 +0x451 go/types.(Checker).initVar(0xc000b1e1c0, 0xc000113aa0, 0xc0006b3640, {0xb72b4a, 0x10}) /home/cyrus/sdk/go1.23.1/src/go/types/assignments.go:181 +0x428 go/types.(Checker).initVars(0xc000b1e1c0, {0xc000118268, 0x1, 0x0?}, {0xc000a32590, 0xb6cc43?, 0x3?}, {0xc57f90, 0xc000037140}) /home/cyrus/sdk/go1.23.1/src/go/types/assignments.go:399 +0x638 go/types.(Checker).stmt(0xc000b1e1c0, 0x0, {0xc57f90, 0xc000037140}) /home/cyrus/sdk/go1.23.1/src/go/types/stmt.go:533 +0x1777 go/types.(Checker).stmtList(0xc000b1e1c0, 0x0, {0xc000a325a0?, 0x5e9c00?, 0xc000b1e1c0?}) /home/cyrus/sdk/go1.23.1/src/go/types/stmt.go:121 +0x85 go/types.(Checker).funcBody(0xc000b1e1c0, 0xc57cf0?, {0xc000a0b514?, 0xa?}, 0xc0006b35c0, 0xc000affa40, {0x0?, 0x0?}) /home/cyrus/sdk/go1.23.1/src/go/types/stmt.go:41 +0x2f3 go/types.(Checker).funcDecl.func1() /home/cyrus/sdk/go1.23.1/src/go/types/decl.go:888 +0x3a go/types.(Checker).processDelayed(0xc000b1e1c0, 0x0) /home/cyrus/sdk/go1.23.1/src/go/types/check.go:516 +0x15c go/types.(Checker).checkFiles(0xc000b1e1c0, {0xc000a324d0, 0x2, 0x2}) /home/cyrus/sdk/go1.23.1/src/go/types/check.go:462 +0x17e go/types.(Checker).Files(0xc00019e0e0?, {0xc000a324d0?, 0xc000112300?, 0x6?}) /home/cyrus/sdk/go1.23.1/src/go/types/check.go:422 +0x75 golang.org/x/tools/go/packages.(loader).loadPackage(0xc00019e0e0, 0xc000a87e60) /home/cyrus/go/pkg/mod/golang.org/x/tools@v0.8.0/go/packages/packages.go:1052 +0xa32 golang.org/x/tools/go/packages.(loader).loadRecursive.func1() /home/cyrus/go/pkg/mod/golang.org/x/tools@v0.8.0/go/packages/packages.go:851 +0x1a9 sync.(Once).doSlow(0x0?, 0x0?) /home/cyrus/sdk/go1.23.1/src/sync/once.go:76 +0xb4 sync.(Once).Do(...) /home/cyrus/sdk/go1.23.1/src/sync/once.go:67 golang.org/x/tools/go/packages.(loader).loadRecursive(0x0?, 0x0?) /home/cyrus/go/pkg/mod/golang.org/x/tools@v0.8.0/go/packages/packages.go:839 +0x3b golang.org/x/tools/go/packages.(loader).loadRecursive.func1.1(0x0?) /home/cyrus/go/pkg/mod/golang.org/x/tools@v0.8.0/go/packages/packages.go:846 +0x26 created by golang.org/x/tools/go/packages.(loader).loadRecursive.func1 in goroutine 80 /home/cyrus/go/pkg/mod/golang.org/x/tools@v0.8.0/go/packages/packages.go:845 +0x94 `

[YanShulinjj]

Did you fix it?