On Tue, 29 Nov 2016, Georg-Johann Lay wrote: > This is a fix for a wrong warning from -Wlto-type-mismatch that reports a type > mismatch for two built-in functions. > > The avr backend has several built-ins that have the same asm name because > their assembler implementation in libgcc is exactly the same. The prototypes > might differ, however. > > This patch skips the warning for built-in types as discussed in > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78562#c6 > > Testing against avr-unknown-none, this resolves all FAILs because of that > warning, e.g. gcc.target/avr/torture/builtins-5-countlsfx.c > > Ok for trunk?
Ok. Thanks, Richard. > Johann > > gcc/lto/ > PR lto/78562 > * lto-symtab.c (lto_symtab_merge_decls_2): Don't diagnose type > mismatch if the two types are built-in. > -- Richard Biener <rguent...@suse.de> SUSE LINUX GmbH, GF: Felix Imendoerffer, Jane Smithard, Graham Norton, HRB 21284 (AG Nuernberg)