Added error for nopanic cycles.

[orizi]

This change is 

[gilbens-starkware]

Reviewed 7 of 7 files at r1, 1 of 1 files at r2, all commit messages.
Reviewable status: all files reviewed, 1 unresolved discussion (waiting on @liorgold2 and @orizi)

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crates/cairo-lang-lowering/src/diagnostic.rs line 89 at r1 (raw file):

            }
            LoweringDiagnosticKind::NoPanicFunctionCycle => {
                "`nopanic` function call cycle.".into()

Or something similar

Suggestion:

"Call cycle in a `nopanic` function is not allowed."

[orizi]

Reviewable status: 5 of 7 files reviewed, 1 unresolved discussion (waiting on @gilbens-starkware and @liorgold2)

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crates/cairo-lang-lowering/src/diagnostic.rs line 89 at r1 (raw file):

Previously, gilbens-starkware (Gil Ben-Shachar) wrote…

Or something similar

Done.

[gilbens-starkware]

Reviewed 2 of 2 files at r3, all commit messages.
Reviewable status: all files reviewed, 1 unresolved discussion (waiting on @liorgold2)

[gilbens-starkware]

Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @liorgold2)