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zig: Assertion failed when returning a type that "closes over" a local #552

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scurest opened this Issue Oct 20, 2017 · 0 comments

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scurest commented Oct 20, 2017

fn f() -> type {
    const c = 1;
    struct {
        fn g() -> i32 { c }
    }
}

pub fn main() -> %void {
    const x = f().g();
}

fails to compile with the error (line)

zig:
  /home/scurest/zig/src/ir.cpp:7041:
  bool ir_num_lit_fits_in_other_type(IrAnalyze*, IrInstruction*, TypeTableEntry*, bool):
  Assertion `const_val->special != ConstValSpecialRuntime' failed.

Workaround is to move the definition of c into the body of g.

Congrats on 0.1.1 btw :)

@andrewrk andrewrk added the bug label Oct 20, 2017

@andrewrk andrewrk added this to the 0.2.0 milestone Oct 20, 2017

@andrewrk andrewrk closed this in e7c04b6 Jan 7, 2018

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