[9.2-STABLE/CLANG 3.3|3.4] x11/kdelibs4

[Dimitry Andric]

On 19 Apr 2014, at 10:32, O. Hartmann <ohartman at zedat.fu-berlin.de> wrote:
...
> [ 66%] Building CXX object khtml/CMakeFiles/khtml.dir/css/parser.o
> In file included
> from /usr/ports/x11/kdelibs4/work/kdelibs-4.12.4/khtml/css/parser.cpp:106: In file
> included from /usr/ports/x11/kdelibs4/work/kdelibs-4.12.4/khtml/xml/dom_docimpl.h:30: In
> file included
> from /usr/ports/x11/kdelibs4/work/kdelibs-4.12.4/khtml/xml/dom_elementimpl.h:29: In file
> included from /usr/ports/x11/kdelibs4/work/kdelibs-4.12.4/khtml/xml/dom_nodeimpl.h:33: In
> file included
> from /usr/ports/x11/kdelibs4/work/kdelibs-4.12.4/khtml/misc/idstring.h:27: /usr/ports/x11/kdelibs4/work/kdelibs-4.12.4/khtml/xml/dom_stringimpl.h:52:6:
> warning: cast from 'char *' to 'QChar *' increases required alignment from 1 to 2
> [-Wcast-align] s = QT_ALLOC_QCHAR_VEC( havestr ? len : 1 );
> ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /usr/ports/x11/kdelibs4/work/kdelibs-4.12.4/khtml/xml/dom_stringimpl.h:35:33:
> note: expanded from macro 'QT_ALLOC_QCHAR_VEC' #define QT_ALLOC_QCHAR_VEC( N ) (QChar*)
> new char[ sizeof(QChar)*( N ) ]
> ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /usr/ports/x11/kdelibs4/work/kdelibs-4.12.4/khtml/xml/dom_stringimpl.h:66:6:
> warning: cast from 'char *' to 'QChar *' increases required alignment from 1 to 2
> [-Wcast-align] s = QT_ALLOC_QCHAR_VEC( 1 ); ^~~~~~~~~~~~~~~~~~~~~~~
> /usr/ports/x11/kdelibs4/work/kdelibs-4.12.4/khtml/xml/dom_stringimpl.h:35:33: note:
> expanded from macro 'QT_ALLOC_QCHAR_VEC' #define QT_ALLOC_QCHAR_VEC( N ) (QChar*) new
> char[ sizeof(QChar)*( N ) ] ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> /usr/ports/x11/kdelibs4/work/kdelibs-4.12.4/khtml/xml/dom_stringimpl.h:73:6: warning:
> cast from 'char *' to 'QChar *' increases required alignment from 1 to 2 [-Wcast-align]
>        s = QT_ALLOC_QCHAR_VEC( havestr ? length : 1 );
>            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> /usr/ports/x11/kdelibs4/work/kdelibs-4.12.4/khtml/xml/dom_stringimpl.h:35:33: note:
> expanded from macro 'QT_ALLOC_QCHAR_VEC' #define QT_ALLOC_QCHAR_VEC( N ) (QChar*) new
> char[ sizeof(QChar)*( N ) ] ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> clang++: error: unable to execute command: Terminated: 15
> clang++: error: clang frontend command failed due to signal (use -v to see invocation)
> FreeBSD clang version 3.4 (tags/RELEASE_34/final 197956) 20140216
> Target: x86_64-unknown-freebsd9.2
> Thread model: posix
> clang++: note: diagnostic msg: PLEASE submit a bug report to http://llvm.org/bugs/ and
> include the crash backtrace, preprocessed source, and associated run script. clang++:
> note: diagnostic msg: ********************
> 
> PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
> Preprocessed source(s) and associated run script(s) are located at:
> clang++: note: diagnostic msg: /tmp/parser-b6e15c.cpp
> clang++: note: diagnostic msg: /tmp/parser-b6e15c.sh
> clang++: note: diagnostic msg: 
> 
> ********************
> *** [khtml/CMakeFiles/khtml.dir/css/parser.o] Error code 254
> 
> Stop in /usr/ports/x11/kdelibs4/work/.build.
> *** [khtml/CMakeFiles/khtml.dir/all] Error code 1
> <parser-b6e15c.cpp><parser-b6e15c.sh>

I cannot reproduce the problem on my copy of stable/9 r264647.  Using /usr/bin/time -l on it results in:

        3.36 real         1.01 user         0.59 sys
     71684  maximum resident set size
     30951  average shared memory size
      3349  average unshared data size
       126  average unshared stack size
     13539  page reclaims
       354  page faults
         0  swaps
         2  block input operations
         3  block output operations
        66  messages sent
         0  messages received
         0  signals received
       370  voluntary context switches
        10  involuntary context switches

So it compiles in 3 seconds, and uses approximately 70MB of memory.

-Dimitry

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