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Clarify assertion semantics, SIMICS-23401 #415

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mandolaerik merged 1 commit into from
Feb 18, 2026
Merged

Clarify assertion semantics, SIMICS-23401 #415

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9 changes: 8 additions & 1 deletion doc/1.4/language.md
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Expand Up @@ -3923,9 +3923,16 @@ assert <em>expr</em>;
</pre>

Evaluates *`expr`*. If the result is `true`, the
statement has no effect; otherwise, a runtime-error is generated.
statement has no effect; otherwise, a fatal runtime error is generated, aborting the current execution thread.
*`expr`* must have type `bool`.

> [!NOTE]
>
> DML guarantees that the assertion expression is evaluated, and that the
> program terminates if the expression is false. This differs from the `assert`
> construct in the C/C++ standard libraries, which can sometimes be optimized
> out depending on build settings.

### Error Statements

<pre>
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