[Issue 20220] New: pragma (crt_constructor) does not work with CC=clang

d-bugmail at puremagic.com d-bugmail at puremagic.com
Tue Sep 17 07:04:37 UTC 2019


https://issues.dlang.org/show_bug.cgi?id=20220

          Issue ID: 20220
           Summary: pragma (crt_constructor) does not work with CC=clang
           Product: D
           Version: D2
          Hardware: All
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P1
         Component: dmd
          Assignee: nobody at puremagic.com
          Reporter: erny.castell at gmail.com

building this file:
////////////////
module crttest;
import core.stdc.stdio : printf;

pragma (crt_constructor)
extern(C) void constructor {
  printf("constructor called\n");
}

void main() {
  printf("main called\n");
}

with "CC=clang dmd crttest.d"

When I run the executable the output is:
   main called

instead of the expected:
   constructor called
   main called

I think there is a problem in the DMD backend, probably this issue #19551 is
also related to the same problem

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