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digitalmars.D.bugs - [Issue 7377] New: Compiler segfault in: TemplateMixin::hasPointers()

reply d-bugmail puremagic.com writes:
http://d.puremagic.com/issues/show_bug.cgi?id=7377

           Summary: Compiler segfault in: TemplateMixin::hasPointers()
           Product: D
           Version: future
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: critical
          Priority: P2
         Component: DMD
        AssignedTo: nobody puremagic.com
        ReportedBy: dlang chilon.net


--- Comment #0 from pelo <dlang chilon.net> 2012-01-27 03:41:27 PST ---
Using the latest built dmd/phobos/druntime code from git I get a compiler core
dump:

Core was generated by `dmd -I../.. -g -debug -od../.obj -of../.obj/variant
common.d variant.d ../teg/s'.
Program terminated with signal 11, Segmentation fault.
#0  0x00000000004f7a2f in TemplateMixin::hasPointers() ()
(gdb) bt
#0  0x00000000004f7a2f in TemplateMixin::hasPointers() ()
#1  0x000000000050cc0e in ClassDeclaration::toObjFile(int) ()
#2  0x00000000004a024f in Module::genobjfile(int) ()
#3  0x0000000000403c4f in main ()

I'm trying to build a minimal test case. dmd 2.047 has other compilation
segfaults affecting my code, I'm a little worried I'll never be able to build
my code with any D compiler above 2.046 again ;)

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--- Comment #1 from pelo <dlang chilon.net> 2012-01-28 10:41:17 PST ---
Sorry meant 2.056.

I fixed it... have a patch.

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--- Comment #2 from pelo <dlang chilon.net> 2012-01-28 10:42:42 PST ---
Created an attachment (id=1070)
Fixes this bug entirely... dereference of null.

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pelo <dlang chilon.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Attachment #1070|application/octet-stream    |text/plain
          mime type|                            |
   Attachment #1070|0                           |1
           is patch|                            |


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--- Comment #3 from github-bugzilla puremagic.com 2012-01-28 12:49:33 PST ---
Commit pushed to master at https://github.com/D-Programming-Language/dmd

https://github.com/D-Programming-Language/dmd/commit/1faafe155a3b80c4dfcee923f6312dc4f29cc9e7
Merge pull request #649 from nuisanceofcats/master

Fix issue 7377, compiler segfault via null pointer dereference

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--- Comment #4 from github-bugzilla puremagic.com 2012-01-28 12:54:07 PST ---
Commit pushed to dmd-1.x at https://github.com/D-Programming-Language/dmd

https://github.com/D-Programming-Language/dmd/commit/21cf12232acf37dcb7c9b9078a58b4338deb346c
fix issue 7377

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Walter Bright <bugzilla digitalmars.com> changed:

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


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Trass3r <mrmocool gmx.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |mrmocool gmx.de


--- Comment #5 from Trass3r <mrmocool gmx.de> 2012-01-28 23:27:29 CET ---
I really wonder why members is NULL.

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