[Issue 5116] New: Too many error messages with failed template constraint

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=5116

           Summary: Too many error messages with failed template
                    constraint
           Product: D
           Version: D2
          Platform: x86
        OS/Version: Windows
            Status: NEW
          Keywords: diagnostic
          Severity: minor
          Priority: P2
         Component: DMD
        AssignedTo: nobody at puremagic.com
        ReportedBy: bearophile_hugs at eml.cc


--- Comment #0 from bearophile_hugs at eml.cc 2010-10-24 19:12:00 PDT ---
This is a wrong D2 program:


struct Foo {}
class Bar(T) if (!is(T == struct)) {}
void main() {
    auto b = new Bar!Foo();
}


DMD 2.049 shows the following compile errors:

test.d(4): Error: template instance Bar!(Foo) does not match template
declaration Bar(T) if (!is(T == struct))
test.d(4): Error: Bar!(Foo) is used as a type
test.d(4): Error: new can only create structs, dynamic arrays or class objects,
not void's


But minimizing error messages noise is good to speed up debugging and to make
coding simpler. So in this case I'd like to receive only the first error
message.

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