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September 10, 2012 [dmd-internals] [D-Programming-Language/dmd] 9a732a: Fix issue 8624 Regression: CTFE: long comparisons ... | ||||
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| Branch: refs/heads/master Home: https://github.com/D-Programming-Language/dmd Commit: 9a732a03c9f671a7c45a9f7dbe485a0b3489f997 https://github.com/D-Programming-Language/dmd/commit/9a732a03c9f671a7c45a9f7dbe485a0b3489f997 Author: Don Clugston <don.clugston@sociomantic.com> Date: 2012-09-07 (Fri, 07 Sep 2012) Changed paths: M src/interpret.c M test/compilable/interpret3.d Log Message: ----------- Fix issue 8624 Regression: CTFE: long comparisons completely broken An implicit narrowing cast from long to int. Catastrophic. Commit: 475178efa63597d6d55a074406678ab92f1075ed https://github.com/D-Programming-Language/dmd/commit/475178efa63597d6d55a074406678ab92f1075ed Author: Walter Bright <walter@walterbright.com> Date: 2012-09-10 (Mon, 10 Sep 2012) Changed paths: M src/interpret.c M test/compilable/interpret3.d Log Message: ----------- Merge pull request #1112 from donc/regression8624ctfe Fix issue 8624 Regression: CTFE: long comparisons completely broken Compare: https://github.com/D-Programming-Language/dmd/compare/299c489f78b2...475178efa635 |
September 10, 2012 Re: [dmd-internals] [D-Programming-Language/dmd] 9a732a: Fix issue 8624 Regression: CTFE: long comparisons ... | ||||
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Posted in reply to GitHub | On 10 September 2012 10:33, GitHub <noreply@github.com> wrote: > Log Message: > ----------- > Fix issue 8624 Regression: CTFE: long comparisons completely broken > > An implicit narrowing cast from long to int. Catastrophic. We might need to do an emergency compiler release because of this bug. It's one of the worst I've ever seen. _______________________________________________ dmd-internals mailing list dmd-internals@puremagic.com http://lists.puremagic.com/mailman/listinfo/dmd-internals |
September 10, 2012 Re: [dmd-internals] [D-Programming-Language/dmd] 9a732a: Fix issue 8624 Regression: CTFE: long comparisons ... | ||||
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Posted in reply to Don Clugston | On 10.09.2012 11:14, Don Clugston wrote: > On 10 September 2012 10:33, GitHub <noreply@github.com> wrote: >> Log Message: >> ----------- >> Fix issue 8624 Regression: CTFE: long comparisons completely broken >> >> An implicit narrowing cast from long to int. Catastrophic. > > We might need to do an emergency compiler release because of this bug. > It's one of the worst I've ever seen. > + { dinteger_t c = ee1->toInteger() - ee2->toInteger(); + if (c > 0) + return 1; + if (c < 0) + return 1; Should it return -1 in the second case? It seems the test suite doesn't do a lot of CTFE long compares... _______________________________________________ dmd-internals mailing list dmd-internals@puremagic.com http://lists.puremagic.com/mailman/listinfo/dmd-internals |
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