[llvm-bugs] [Bug 25739] New: Segmentation fault, possibly OpenMP related

[via llvm-bugs]

https://llvm.org/bugs/show_bug.cgi?id=25739

            Bug ID: 25739
           Summary: Segmentation fault, possibly OpenMP related
           Product: clang
           Version: 3.7
          Hardware: Macintosh
                OS: MacOS X
            Status: NEW
          Severity: normal
          Priority: P
         Component: -New Bugs
          Assignee: unassignedclangbugs at nondot.org
          Reporter: julius.caro at gmail.com
                CC: llvm-bugs at lists.llvm.org
    Classification: Unclassified

When building PCL 1.7.2 on OSX, clang crashes (segmentation fault) when
compiling poisson.cpp in the surface module.

OS: OSX El Capitan 10.11.1 
Compiler version: Clang 3.7.0 (binaries downloaded from website, but same
results when using clang built from current trunk)

Trying to build: PCL 1.7.2

Dependencies used:
- Eigen 3.2.7 (latest version)
- Boost 1.59 (built with clang)
- Flann 1.8.4 (built with clang)

Attachment:
Zip file containing the following:
- Crash backtrace
- Preprocessed source
- Run script


Note: when trying to run it again copying the long program arguments (clang++
--cc1 ... ), if I remove the -fopenmp flag, it doesn't crash. But I do need
OpenMP support.

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