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<base href="https://llvm.org/bugs/" />
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - clang prints crash report on SIGPIPE if its output is large and piped into `head`"
href="https://llvm.org/bugs/show_bug.cgi?id=25349">25349</a>
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<th>Summary</th>
<td>clang prints crash report on SIGPIPE if its output is large and piped into `head`
</td>
</tr>
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<th>Product</th>
<td>clang
</td>
</tr>
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<th>Version</th>
<td>trunk
</td>
</tr>
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<th>Hardware</th>
<td>PC
</td>
</tr>
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<th>OS</th>
<td>All
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
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<th>Severity</th>
<td>normal
</td>
</tr>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>Driver
</td>
</tr>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>nicolasweber@gmx.de
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>$ cat test.mm
#import <Cocoa/Cocoa.h> // Or a different gigantic header.
$ clang -E test.mm | head
# 1 "test.mm"
# 1 "<built-in>" 1
# 1 "<built-in>" 3
# 342 "<built-in>" 3
# 1 "<command line>" 1
# 1 "<built-in>" 2
# 1 "test.mm" 2
# 1
"/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.11.sdk/System/Library/Frameworks/Cocoa.framework/Headers/Cocoa.h"
1 3
# 12
"/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.11.sdk/System/Library/Frameworks/Cocoa.framework/Headers/Cocoa.h"
3
# 1
"/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.11.sdk/System/Library/Frameworks/Foundation.framework/Headers/Foundation.h"
1 3
clang: error: unable to execute command: Broken pipe: 13
clang: error: clang frontend command failed due to signal (use -v to see
invocation)
Apple LLVM version 7.0.0 (clang-700.0.72)
Target: x86_64-apple-darwin14.5.0
Thread model: posix
clang: note: diagnostic msg: PLEASE submit a bug report to
<a href="http://developer.apple.com/bugreporter/">http://developer.apple.com/bugreporter/</a> 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:
/var/folders/c5/8d7sdn1x2mg92mj0rndghhdr0000gn/T/test-e2e4ff.mm
clang: note: diagnostic msg:
/var/folders/c5/8d7sdn1x2mg92mj0rndghhdr0000gn/T/test-e2e4ff.sh
clang: note: diagnostic msg:
********************
The driver probably shouldn't print these crash reports for SIGPIPE.</pre>
</div>
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