[Issue 3845] New: [module system] A problem caused by duplicated import

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=3845

           Summary: [module system] A problem caused by duplicated import
           Product: D
           Version: 2.040
          Platform: All
        OS/Version: All
            Status: NEW
          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 2010-02-23 17:48:22 PST ---
A small problem in the module system.
To see this problem you need 3 source files, named test1.d, mod1.d, mod2.d:

-----------------

module mod1;
import std.string: join;
import std.string: join;

-----------------

module mod2;
import std.string: join;

-----------------

The main module is test1.d:

module test1;
import mod1, mod2;
void main() {
    join(["a"], "");
}

-----------------

Got, DMD output:
test1.d(4): Error: mod1.join at mod1.d(2) conflicts with mod2.join at mod2.d(2)

Expected:
No errors, or an error in mod1 of duplicated import statement.

Note: in real code with many imports it's easy enough to import two times the
same name from the same module.

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