segfault when compiling struct with optional list of self

[daurnimator]

const std = @import("std");

const mystruct = struct {
    pending: ?listofstructs,
};
const listofstructs = std.LinkedList(mystruct);

const a = struct {
    const Self = @This();

    foo: listofstructs,

    pub fn init() Self {
        return Self{
            .foo = listofstructs.init(),
        };
    }
};

test "intialization" {
    var t = a.init();
}

$ zig version
0.3.0+38629628

                Stack trace of thread 18153:
                #0  0x0000558bc81aa26c n/a (zig)
                #1  0x0000558bc81ee5d0 n/a (zig)
                #2  0x0000558bc8217e8a n/a (zig)
                #3  0x0000558bc821a501 _Z10ir_analyzeP7CodeGenP12IrExecutableS2_P7ZigTypeP7AstNode (zig)
                #4  0x0000558bc821a799 _Z19ir_eval_const_valueP7CodeGenP5ScopeP7AstNodeP7ZigTypePmmP5ZigFnP3BufS4_SB_P12IrExecutable (zig)
                #5  0x0000558bc81a03f2 _Z17analyze_type_exprP7CodeGenP5ScopeP7AstNode (zig)
                #6  0x0000558bc81a9df7 n/a (zig)
                #7  0x0000558bc81a9e46 n/a (zig)
                #8  0x0000558bc81f7c39 n/a (zig)
                #9  0x0000558bc8218758 n/a (zig)
                #10 0x0000558bc821a501 _Z10ir_analyzeP7CodeGenP12IrExecutableS2_P7ZigTypeP7AstNode (zig)
                #11 0x0000558bc821a799 _Z19ir_eval_const_valueP7CodeGenP5ScopeP7AstNodeP7ZigTypePmmP5ZigFnP3BufS4_SB_P12IrExecutable (zig)
                #12 0x0000558bc81a03f2 _Z17analyze_type_exprP7CodeGenP5ScopeP7AstNode (zig)
                #13 0x0000558bc81a9df7 n/a (zig)
                #14 0x0000558bc81a9e46 n/a (zig)
                #15 0x0000558bc81aedd4 n/a (zig)
                #16 0x0000558bc81e9863 n/a (zig)
                #17 0x0000558bc821533a n/a (zig)
                #18 0x0000558bc8217e25 n/a (zig)
                #19 0x0000558bc821a501 _Z10ir_analyzeP7CodeGenP12IrExecutableS2_P7ZigTypeP7AstNode (zig)
                #20 0x0000558bc81b0576 _Z13analyze_fn_irP7CodeGenP5ZigFnP7AstNode (zig)
                #21 0x0000558bc81b1260 _Z16semantic_analyzeP7CodeGen (zig)
                #22 0x0000558bc81da7d1 _Z22codegen_build_and_linkP7CodeGen (zig)
                #23 0x0000558bc81947bf main (zig)
                #24 0x00007fd8be99e223 __libc_start_main (libc.so.6)
                #25 0x0000558bc819e68e _start (zig)

[daurnimator]

Is this a duplicate of #1657?

[tgschultz]

See also: #1805

[andrewrk]

Proposal to fix this: #2174