set rust crate lto to thin to not use fatlto for gkrust which fails sometimes --- a/config/makefiles/rust.mk +++ b/config/makefiles/rust.mk @@ -92,7 +92,7 @@ # Never enable when coverage is enabled to work around https://github.com/rust-lang/rust/issues/90045. ifndef MOZ_CODE_COVERAGE ifeq (,$(findstring gkrust_gtest,$(RUST_LIBRARY_FILE))) -cargo_rustc_flags += -Clto$(if $(filter full,$(MOZ_LTO_RUST_CROSS)),=fat) +cargo_rustc_flags += -Clto=thin endif # We need -Cembed-bitcode=yes for all crates when using -Clto. RUSTFLAGS += -Cembed-bitcode=yes