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<base href="https://llvm.org/bugs/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW " title="NEW --- - Clang trunk segfault when compiling sdl2_gfx" href="https://urldefense.proofpoint.com/v2/url?u=https-3A__llvm.org_bugs_show-5Fbug.cgi-3Fid-3D23999&d=AwMBaQ&c=8hUWFZcy2Z-Za5rBPlktOQ&r=pF93YEPyB-J_PERP4DUZOJDzFVX5ZQ57vQk33wu0vio&m=IXvZR6wqXSfqMX_ZHL1tfqKypbjVRrBvd9dobSzxFhw&s=wCSLB_tHHCI_28tqR8Q8AgK-hIQcCj62hJ6GigI7Ens&e=">23999</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>Clang trunk segfault when compiling sdl2_gfx
</td>
</tr>
<tr>
<th>Product</th>
<td>clang
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
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<th>OS</th>
<td>FreeBSD
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>C++
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
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<th>Reporter</th>
<td>amdmi3@amdmi3.ru
</td>
</tr>
<tr>
<th>CC</th>
<td>dgregor@apple.com, llvmbugs@cs.uiuc.edu
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>On FreeBSD 11, while compiling sdl2_gfx package
(<a href="https://urldefense.proofpoint.com/v2/url?u=http-3A__www.ferzkopp.net_Software_SDL-5Fgfx-2D2.0_&d=AwMBaQ&c=8hUWFZcy2Z-Za5rBPlktOQ&r=pF93YEPyB-J_PERP4DUZOJDzFVX5ZQ57vQk33wu0vio&m=IXvZR6wqXSfqMX_ZHL1tfqKypbjVRrBvd9dobSzxFhw&s=0pqXwBXCRrW2NiQOmEEZfyml8SOe8hJLlHmaH2ZfQ2M&e=">http://www.ferzkopp.net/Software/SDL_gfx-2.0/</a>) with MMX support enabled
(CFLAGS=-DMMX):
---
clang: error: unable to execute command: Segmentation fault
clang: error: clang frontend command failed due to signal (use -v to see
invocation)
clang version 3.7.0 (trunk)
Target: x86_64-portbld-freebsd11.0
Thread model: posix
clang: note: diagnostic msg: PLEASE submit a bug report to
<a href="https://urldefense.proofpoint.com/v2/url?u=http-3A__llvm.org_bugs_&d=AwMBaQ&c=8hUWFZcy2Z-Za5rBPlktOQ&r=pF93YEPyB-J_PERP4DUZOJDzFVX5ZQ57vQk33wu0vio&m=IXvZR6wqXSfqMX_ZHL1tfqKypbjVRrBvd9dobSzxFhw&s=oW1R73Kv4rpJaCPX_aay5mTmV1xvyNr1cCApSdt5UqE&e=">http://llvm.org/bugs/</a> and include the crash backtrace, preprocessed source, and
associated run script.
libtool: compile: clang-devel -DPACKAGE_NAME=\"\" -DPACKAGE_TARNAME=\"\"
-DPACKAGE_VERSION=\"\" -DPACKAGE_STRING=\"\" -DPACKAGE_BUGREPORT=\"\"
-DPACKAGE_URL=\"\" -DSTDC_HEADERS=1 -DHAVE_SYS_TYPES_H=1 -DHAVE_SYS_STAT_H=1
-DHAVE_STDLIB_H=1 -DHAVE_STRING_H=1 -DHAVE_MEMORY_H=1 -DHAVE_STRINGS_H=1
-DHAVE_INTTYPES_H=1 -DHAVE_STDINT_H=1 -DHAVE_UNISTD_H=1 -DHAVE_DLFCN_H=1
-DLT_OBJDIR=\".libs/\" -DPACKAGE=\"SDL2_gfx\" -DVERSION=\"1.0.1\"
-DSIZEOF_LONG=8 -I. -O2 -pipe -DUSE_MMX -fstack-protector -fno-strict-aliasing
-O -DUSE_MMX -I/usr/local/include/SDL2 -I/usr/local/include -D_REENTRANT
-D_THREAD_SAFE -MT SDL2_gfxPrimitives.lo -MD -MP -MF
.deps/SDL2_gfxPrimitives.Tpo -c SDL2_gfxPrimitives.c -o SDL2_gfxPrimitives.o
<span class="quote">>/dev/null 2>&1</span >
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/SDL2_imageFilter-12485b.c
clang: note: diagnostic msg: /tmp/SDL2_imageFilter-12485b.sh
clang: note: diagnostic msg:
********************
Makefile:426: recipe for target 'SDL2_imageFilter.lo' failed
---
Happens both with system clang 3.6.1:
FreeBSD clang version 3.6.1 (tags/RELEASE_361/final 237755) 20150525
Target: x86_64-unknown-freebsd11.0
Thread model: posix
and clang 3.7 (r236894) from ports:
clang version 3.7.0 (trunk)
Target: x86_64-portbld-freebsd11.0
Thread model: posix
Mentioned files attached.
For the note, the problem does not show itself if -march=nocona is added to
compiler flags.</pre>
</div>
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