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[Bug target/50721] [4.6/4.7 Regression] Segfault of -O0 compiled program on x86_64 related to register allocator
- From: "bernds at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 14 Oct 2011 13:23:58 +0000
- Subject: [Bug target/50721] [4.6/4.7 Regression] Segfault of -O0 compiled program on x86_64 related to register allocator
- Auto-submitted: auto-generated
- References: <bug-50721-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50721
--- Comment #8 from Bernd Schmidt <bernds at gcc dot gnu.org> 2011-10-14 13:23:58 UTC ---
It looks like gsl_poly_dd_taylor overwrites part of the caller's stack frame.
Specifically, this statement
w[size - 1] = 1.0;
appears to go out of bounds. Can someone who understands Fortran check the
source whether it's actually valid?