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Bug 7695 – Regression(2.058): ICE(mtype.c) on associative array with keys of struct type with const members

Status: RESOLVED
Resolution: FIXED
Severity: regression
Priority: P2
Component: dmd
Product: D
Version: D2
Platform: All
OS: All
Creation time: 2012-03-12T19:26:00Z
Last change time: 2012-04-09T20:43:18Z
Keywords: ice
Assigned to: nobody
Creator: simen.kjaras

Comments

Comment #0 by simen.kjaras — 2012-03-12T19:26:50Z

struct Bar { const int t; } void main( ) { int[Bar] a; int n = a.length; } Assertion failure: 'impl' on line 4407 in file 'mtype.c' abnormal program termination

Comment #1 by bus_dbugzilla — 2012-04-09T13:20:23Z

This is a regression that was introduced in 2.058

Comment #2 by bus_dbugzilla — 2012-04-09T13:25:42Z

Don't know if this helps, but the problem also occurs if you replace const int t; with: const opEquals(Bar ) {} The function must be named opEquals. If it's named "foo", the ICE goes away.

Comment #3 by github-bugzilla — 2012-04-09T20:41:47Z

Commit pushed to master at https://github.com/D-Programming-Language/dmd https://github.com/D-Programming-Language/dmd/commit/d46fde7cc0fc4bad25213aee137fd2eeeb2a63af fix Issue 7695 - Regression(2.058): ICE(mtype.c) on associative array with keys of struct type with const members

Comment #4 by bugzilla — 2012-04-09T20:43:18Z

The problem here is the const member needs an initializer. The error was suppressed and ignored, though, causing the compiler to later fail.