On Sat, Dec 29, 2018 at 3:42 PM Alexander Monakov <amona...@ispras.ru> wrote: > > On Sat, 29 Dec 2018, Bin.Cheng wrote: > > tracer-1.c: Assembler messages: > > tracer-1.c:16: Error: symbol `foo_label' is already defined > > > > Root cause is in tracer.c which duplicates basic block without > > checking if any GIMPLE_ASM defines labels. > > Is this a bug or invalid code? > > This is invalid code, GCC documentation is clear that the compiler > may duplicate inline asm statements (passes other than tracer can do > that too, loop unswitching just to give one example). > > We don't provide a way to write an asm that wouldn't be duplicated. I see, thanks for elaboration.
Thanks, bin > > Alexander
