http://llvm.org/bugs/show_bug.cgi?id=7333
Summary: infinite loop when compiling SPEC CPU2006's 465.tonto
Product: tools
Version: trunk
Platform: PC
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P
Component: gfortran
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
When compiling the 465.tonto SPEC CPU2006 benchmark, the llvm-gcc-4.2 (LLVM
2.7) gfortran gets stuck
while compiling one of the Fortran source files. I've seen it running for over
2 hours and more without finishing the job. This occurs on Linux/x86-64.
gfortran trips as follows:
/path/to/LLVM/2.7/llvm-gcc-4.2-2.7/bin/gfortran -c -o atomvec.fppized.o -O2
atomvec.fppized.f90
The error does not occur at -O0, nor does it with the dragonegg-2.7 plugin for
gcc-4.5.0 at -O2.
I've tried to reduce a testcase from the atomvec.fppized.f90 file using delta,
but since it still requires 4 different modules, I don't think including it
will be of much use. Suggestions welcome.
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