[Issue 2353] New: Assertion failure on template function auto return type deduction

d-bugmail at puremagic.com d-bugmail at puremagic.com
Thu Sep 11 08:48:15 PDT 2008


http://d.puremagic.com/issues/show_bug.cgi?id=2353

           Summary: Assertion failure on template function auto return type
                    deduction
           Product: D
           Version: 2.019
          Platform: PC
        OS/Version: Windows
            Status: NEW
          Keywords: ice-on-invalid-code
          Severity: normal
          Priority: P2
         Component: DMD
        AssignedTo: bugzilla at digitalmars.com
        ReportedBy: snake.scaly at gmail.com


The following code:

auto Sub(T:E[S],E,size_t S)(T arr) {return cast(E[S-1])arr[1..$];}
pragma(msg, typeof(Sub("foo")).stringof);

causes output:

>dmd -c test2.d
test2.d(4): Error: forward reference to type T
test2.d(4): Error: cannot implicitly convert expression ("foo") of type
invariant(char[3u]) to T
Assertion failure: 'type' on line 6308 in file 'expression.c'

abnormal program termination


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