From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:02:58 +0200 Subject: Adding upstream version 1.64.0+dfsg1. Signed-off-by: Daniel Baumann --- src/test/ui/consts/const-err2.rs | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 src/test/ui/consts/const-err2.rs (limited to 'src/test/ui/consts/const-err2.rs') diff --git a/src/test/ui/consts/const-err2.rs b/src/test/ui/consts/const-err2.rs new file mode 100644 index 000000000..db49ec25a --- /dev/null +++ b/src/test/ui/consts/const-err2.rs @@ -0,0 +1,39 @@ +// needed because negating int::MIN will behave differently between +// optimized compilation and unoptimized compilation and thus would +// lead to different lints being emitted + +// revisions: noopt opt opt_with_overflow_checks +//[noopt]compile-flags: -C opt-level=0 +//[opt]compile-flags: -O +//[opt_with_overflow_checks]compile-flags: -C overflow-checks=on -O + +// build-fail + +#![feature(rustc_attrs)] + +fn black_box(_: T) { + unimplemented!() +} + +fn main() { + let a = -i8::MIN; + //~^ ERROR arithmetic operation will overflow + let a_i128 = -i128::MIN; + //~^ ERROR arithmetic operation will overflow + let b = 200u8 + 200u8 + 200u8; + //~^ ERROR arithmetic operation will overflow + let b_i128 = i128::MIN - i128::MAX; + //~^ ERROR arithmetic operation will overflow + let c = 200u8 * 4; + //~^ ERROR arithmetic operation will overflow + let d = 42u8 - (42u8 + 1); + //~^ ERROR arithmetic operation will overflow + let _e = [5u8][1]; + //~^ ERROR operation will panic + black_box(a); + black_box(a_i128); + black_box(b); + black_box(b_i128); + black_box(c); + black_box(d); +} -- cgit v1.2.3