[LLVMbugs] [Bug 11206] New: [3.0 regression] clang fails to compile tramp3d-v4

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=11206

           Summary: [3.0 regression] clang fails to compile tramp3d-v4
           Product: new-bugs
           Version: unspecified
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: new bugs
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: baldrick at free.fr
                CC: llvmbugs at cs.uiuc.edu


On x86-64 debian testing, clang fails to compile tramp3d-v4.cpp from the
testsuite:

tramp3d-v4.cpp:51974:3: error: use of undeclared identifier 'fexcept_t'

Command line used to compile (to reproduce it is enough to use -m32):

/home/duncan/llvm-3.0/32/rc1/Phase2/Release+Asserts/llvmCore-3.0-rc1.obj/Release+Asserts/bin/clang++
-fno-exceptions
-I/home/duncan/llvm-3.0/32/rc1/Phase2/Release+Asserts/llvmCore-3.0-rc1.obj/projects/llvm-test/MultiSource/Benchmarks/tramp3d-v4
-I/home/duncan/llvm-3.0/32/rc1/test-suite.src/MultiSource/Benchmarks/tramp3d-v4
-I/home/duncan/llvm-3.0/32/rc1/llvm.src/projects/llvm-test/include
-I../../../include
-I/home/duncan/llvm-3.0/32/rc1/Phase2/Release+Asserts/llvmCore-3.0-rc1.obj/include
-I/home/duncan/llvm-3.0/32/rc1/llvm.src/include -D_GNU_SOURCE
-D__STDC_LIMIT_MACROS -DNDEBUG  -O3 -mllvm -disable-llvm-optzns  -m32
-fomit-frame-pointer -S
/home/duncan/llvm-3.0/32/rc1/test-suite.src/MultiSource/Benchmarks/tramp3d-v4/tramp3d-v4.cpp
-o tramp3d-v4.ll -emit-llvm

I'm guessing that this is an include path issue.  I've attached preprocessed
source as produced by clang and gcc.

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