Segfault compiling recursive code

[MFAshby]

Zig Version

0.12.0-dev.1396+f6de3ec96

Steps to Reproduce and Observed Behavior

Compile and run this program with zig run main.zig

https://gist.github.com/MFAshby/e6c7ccb871b91f7b5e0ee8c99172cff7#file-main-zig

Output is this, the compiler gets a segfault:

mfa@mfa ~> zig run main.zig
Semantic Analysis [12240] fish: Job 1, 'zig run main.zig' terminated by signal SIGSEGV (Address boundary error)

Expected Behavior

Program to compile and run, or emit an error message if there is invalid code.

[Vexu]

Duplicate of #13724

[MFAshby]

In case it's interesting at all, I worked around this issue by changing the recursive function arguments so they are known types rather than requiring recursive comptime evaluation.

fn bdecodeInner(a: std.mem.Allocator, base_reader: anytype) !BValue {

swapped for

fn bdecodeInner(a: std.mem.Allocator, base_reader: std.io.AnyReader) !BValue {