sdk/lib/_internal/compiler/js_lib/js_number.dart - Issue 1177063002: Detect zero receiver of modInverse (may not converge and time out

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Unified Diff: sdk/lib/_internal/compiler/js_lib/js_number.dart

Issue 1177063002: Detect zero receiver of modInverse (may not converge and time out (Closed) Base URL: git@github.com:dart-lang/sdk.git@master

Patch Set: Created 5 years, 6 months ago

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Index: sdk/lib/_internal/compiler/js_lib/js_number.dart

diff --git a/sdk/lib/_internal/compiler/js_lib/js_number.dart b/sdk/lib/_internal/compiler/js_lib/js_number.dart

index 0648aad12d6678319908e4bf37abd0cf70ed5395..03c68bb00022ebf28d6f7103ea52da1bb492476f 100644

--- a/sdk/lib/_internal/compiler/js_lib/js_number.dart

+++ b/sdk/lib/_internal/compiler/js_lib/js_number.dart

@@ -415,6 +415,7 @@ class JSInt extends JSNumber implements int, double {

int modInverse(int m) {

if (m is! int) throw new ArgumentError(m);

if (m <= 0) throw new RangeError(m);

+ if (this == 0) return 0;

bool ac = m.isEven;

int u = m;

int v = this;

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