Thread overview
[Issue 5214] New: Compiler crash with array of empty {}
Nov 14, 2010
Don
Dec 05, 2010
Walter Bright
November 13, 2010
http://d.puremagic.com/issues/show_bug.cgi?id=5214

           Summary: Compiler crash with array of empty {}
           Product: D
           Version: D2
          Platform: x86
        OS/Version: Windows
            Status: NEW
          Severity: normal
          Priority: P2
         Component: DMD
        AssignedTo: nobody@puremagic.com
        ReportedBy: bearophile_hugs@eml.cc


--- Comment #0 from bearophile_hugs@eml.cc 2010-11-13 14:43:21 PST ---
This D2 program crashes DMD 2.050:


auto foos = [{}];
void main() {}

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November 14, 2010
http://d.puremagic.com/issues/show_bug.cgi?id=5214


Don <clugdbug@yahoo.com.au> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |ice-on-invalid-code, patch
                 CC|                            |clugdbug@yahoo.com.au


--- Comment #1 from Don <clugdbug@yahoo.com.au> 2010-11-13 18:22:30 PST ---
PATCH: declaration.c, line 751.
init->toExpression returns NULL if it fails. (BTW this is case where
non-nullable types would catch a bug <g>. Although it was trivial to track
down, it's lain hidden in the code for ages).
Give it the same error message as happens in D1.


            if (ai->isAssociativeArray())
                e = ai->toAssocArrayLiteral();
            else
                e = init->toExpression();
+            if (!e)
+            {
+                error("cannot infer type from initializer");
+                e = new ErrorExp();
+            }
            init = new ExpInitializer(e->loc, e);
            type = init->inferType(sc);

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December 05, 2010
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Walter Bright <bugzilla@digitalmars.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |bugzilla@digitalmars.com
         Resolution|                            |FIXED


--- Comment #2 from Walter Bright <bugzilla@digitalmars.com> 2010-12-05 00:27:23 PST ---
http://www.dsource.org/projects/dmd/changeset/780

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