• d-bugmail puremagic.com (41/41) Feb 08 https://issues.dlang.org/show_bug.cgi?id=24377

d-bugmail puremagic.com writes:

https://issues.dlang.org/show_bug.cgi?id=24377

          Issue ID: 24377
           Summary: Error: negative array dimension `3145728u *
                    1024u`[32bit]
           Product: D
           Version: D2
          Hardware: x86_64
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P1
         Component: dmd
          Assignee: nobody puremagic.com
          Reporter: kdevel vogtner.de

$ cat nad.d 
import std.stdio;

void main()
{
   auto arr = new char [3u * 1024 * 1024 * 1024]; // <--- error
   writefln ("%X", arr.length);
}
$ dmd -m32 ./nad.d 
./nad.d(5): Error: negative array dimension `3145728u * 1024u` [unexpected]
$ gdc -m32 nad.d -o nad
$ ./nad
C0000000                                          [expected]
$ cat nad2.d
import std.stdio;

void main()
{
   auto siz = 3u * 1024 * 1024 * 1024;
   auto arr = new char [siz];
   writefln ("%X", arr.length);
}
$ dmd -m32 ./nad2.d
$ ./nad2
C0000000                                          [expected]

used compilers:
- DMD64 D Compiler v2.105.3
- gcc (GCC) 12.1.0

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