[Issue 11464] New: Abstract classes can be instantiated. Causes link errors.
d-bugmail at puremagic.com
d-bugmail at puremagic.com
Thu Nov 7 02:44:08 PST 2013
https://d.puremagic.com/issues/show_bug.cgi?id=11464
Summary: Abstract classes can be instantiated. Causes link
errors.
Product: D
Version: D2
Platform: All
OS/Version: All
Status: NEW
Severity: normal
Priority: P2
Component: DMD
AssignedTo: nobody at puremagic.com
ReportedBy: rjmcguire at gmail.com
--- Comment #0 from Rory <rjmcguire at gmail.com> 2013-11-07 02:43:59 PST ---
Tested on linux 64 with dmd 2063.2 and 2064
Simple test case:
abstract class A {
void put(int);
int popFront();
}
class B : A {
}
void main() {
B b = new B();
}
Outputs:
$ dmd abstract_test.d
abstract_test.o:(.rodata+0xa8): undefined reference to
`_D13abstract_test1A3putMFiZv'
abstract_test.o:(.rodata+0xb0): undefined reference to
`_D13abstract_test1A8popFrontMFZi'
collect2: error: ld returned 1 exit status
--- errorlevel 1
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