Hello, I'm having a hard time getting -freorder-blocks-and-partition to work as expected. This optimization flag, used with __builtin_expect() to provide branch prediction hints, produces an object file that groups uncommon code blocks in a separate section called ".text.unlikely". However, when I further link the object file with other object files I get an executable that is missing the ".text.unlikely" section. I am first running with -fprofile-generate, then running the executable, and then recompiling with -fprofile-use. I see the ".text.unlikely" section in an intermediate object file, but not in the final executable. Is this a bug ? I tested with gcc4.1.1/ld2.17. Thanks for any help. Kristis
