tree 56801f8824b65d019f2062604233425abeb65ff1
parent 0c90e06932b0f9a9debefdbb5bfc9ccbfc3405bf
author Ömer Sinan Ağacan <omersa@google.com> 1667231948 +0000
committer Commit Queue <dart-scoped@luci-project-accounts.iam.gserviceaccount.com> 1667231948 +0000

[dart2wasm] Handle zero divisor in truncating int div

This implements checking for division by zero in truncating integer
division (`~/`) and throwing `IntegerDivisionByZeroException`.

Implementation of truncating integer division moved to a static method
to leave inlining decisions to the optimizer. (e.g. binaryen)

New passing tests:

- co19/Language/Expressions/Await_Expressions/evaluation_throws_t03
- co19/Language/Expressions/Await_Expressions/evaluation_throws_t04
- co19/Language/Expressions/Await_Expressions/evaluation_throws_t06
- co19/Language/Expressions/Await_Expressions/evaluation_throws_t07
- co19/Language/Reference/Lexical_Rules/Comments/single_line_t06
- co19/Language/Reference/Lexical_Rules/Comments/single_line_t11
- co19/LibTest/core/int/operator_remainder_A01_t03
- co19/LibTest/core/int/operator_truncating_division_A01_t02
- co19/LibTest/core/int/remainder_A01_t03
- language/operator/div_by_zero_test
- language/operator/div_with_power_of_two2_test
- language/operator/modulo_test
- language/operator/truncdiv_test
- language/operator/truncdiv_zero_test

Change-Id: I8087af082f258e1c1afc9b6768ae9cf654f8f806
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/266020
Reviewed-by: Aske Simon Christensen <askesc@google.com>
Commit-Queue: Ömer Ağacan <omersa@google.com>