https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91299
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Target| |arm-none-eabi-gcc CC| |hjl.tools at gmail dot com --- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> --- You want to look at the output of the linker resolution file (compile with -v -save-temps and look for -fresolution=<filename>). The linker probably tells GCC that its "weak" foo() definition is prevailing. This either makes it a non-bug or a binutils bug then.