Bug 19882 – Expected 'undefined identifier' error when type comparing

void main() { static if( is(undefined_id == int) ) pragma(msg, "OK"); //compiles //oops //static if( is(int == undefined_id ) ) pragma(msg, "OK"); //Error: undefined identifier undefined_type //as expected }

@kubo39 created dlang/dmd pull request #9818 "Fix Issue 19882 - Expected 'undefined identifier' error when type" fixing this issue: - Fix Issue 19882 - Expected 'undefined identifier' error when type comparing https://github.com/dlang/dmd/pull/9818

dlang/dmd pull request #9818 "Fix Issue 19882 - Expected 'undefined identifier' error when type" was merged into stable: - f2397a8363ff77870f5afe943c420aa577fe634d by Hiroki Noda: Fix Issue 19882 - Expected 'undefined identifier' error when type comparing Allow to compile when tspec is an undefined identifier. https://github.com/dlang/dmd/pull/9818

(In reply to Dlang Bot from comment #2) > dlang/dmd pull request #9818 "Fix Issue 19882 - Expected 'undefined > identifier' error when type" was merged into stable: For the record, the merged fix does the opposite of what this issue called for originally. DMD now also accepts `is(int == undefined_id)`.

dlang/dmd pull request #9887 "Revert "Fix Issue 19882 - Expected 'undefined identifier' error when …" was merged into stable: - ead67ea78be202c4aab2aeafa5cf0ed5a409b112 by Martin Kinkelin: Revert "Fix Issue 19882 - Expected 'undefined identifier' error when type" This reverts commit f2397a8363ff77870f5afe943c420aa577fe634d. https://github.com/dlang/dmd/pull/9887

@thewilsonator updated dlang/dmd pull request #9891 "Fix issue 19893" fixing this issue: - Fix Issue 19882 - Expected 'undefined identifier' error when type comparing Allow to compile when tspec is an undefined identifier. - Merge pull request #9818 from kubo39/bugfix-19882 Fix Issue 19882 - Expected 'undefined identifier' error when type merged-on-behalf-of: Nicholas Wilson <[email protected]> https://github.com/dlang/dmd/pull/9891

"DMD now also accepts `is(int == undefined_id)`." Isn´t this bad? I got stuck several minutes on this bug because the compiler didn´t tell me that I misspelled an identifier.

(In reply to SrMordred from comment #6) > "DMD now also accepts `is(int == undefined_id)`." > Isn´t this bad? > I got stuck several minutes on this bug because the compiler didn´t tell me > that I misspelled an identifier. Me too, that's why I reverted the 'fix' and reopened this issue.

@SSoulaimane updated dlang/dmd pull request #9946 "fix issue 18784 - cpp constructor returns void on Posix" fixing this issue: - Fix Issue 19882 - Expected 'undefined identifier' error when type comparing Allow to compile when tspec is an undefined identifier. - Merge pull request #9818 from kubo39/bugfix-19882 Fix Issue 19882 - Expected 'undefined identifier' error when type merged-on-behalf-of: Nicholas Wilson <[email protected]> https://github.com/dlang/dmd/pull/9946

@FeepingCreature updated dlang/dmd pull request #9953 "Fix issue 19936: `alias deprecated get this` falsely triggers deprecation on `array ~=`" fixing this issue: - Fix Issue 19882 - Expected 'undefined identifier' error when type comparing Allow to compile when tspec is an undefined identifier. - Merge pull request #9818 from kubo39/bugfix-19882 Fix Issue 19882 - Expected 'undefined identifier' error when type merged-on-behalf-of: Nicholas Wilson <[email protected]> https://github.com/dlang/dmd/pull/9953

@wilzbach created dlang/dmd pull request #9956 "Merge stable -> master" fixing this issue: - Fix Issue 19882 - Expected 'undefined identifier' error when type comparing Allow to compile when tspec is an undefined identifier. - Merge pull request #9818 from kubo39/bugfix-19882 Fix Issue 19882 - Expected 'undefined identifier' error when type merged-on-behalf-of: Nicholas Wilson <[email protected]> https://github.com/dlang/dmd/pull/9956

THIS ISSUE HAS BEEN MOVED TO GITHUB https://github.com/dlang/dmd/issues/17907 DO NOT COMMENT HERE ANYMORE, NOBODY WILL SEE IT, THIS ISSUE HAS BEEN MOVED TO GITHUB