Neal Becker <ndbecker2@xxxxxxxxx> wrote: > We are trying to track down a numerical problem with unuran that occurs on > gcc-4.3. I know that gcc now has a very extensive test suite, and bugs are > not common. I'm just wondering, are others finding similar problems with > gcc-4.3? > We are working on preparing a bug report. The symptoms are: > 1) Problem disappears if -O0 > 2) Problem disappears if a printf is added That probably means there is a problem with the memory layout (something stomping on your variables?). What hapens if you call any other function instead of printf? Have you tried to look at the generated assembly? > 3) valgrind is silent -- Dr. Horst H. von Brand User #22616 counter.li.org Departamento de Informatica Fono: +56 32 2654431 Universidad Tecnica Federico Santa Maria +56 32 2654239 Casilla 110-V, Valparaiso, Chile Fax: +56 32 2797513 -- fedora-devel-list mailing list fedora-devel-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/fedora-devel-list