diff options
Diffstat (limited to 'src/test/ui/consts/const-eval/promoted_errors.rs')
-rw-r--r-- | src/test/ui/consts/const-eval/promoted_errors.rs | 52 |
1 files changed, 0 insertions, 52 deletions
diff --git a/src/test/ui/consts/const-eval/promoted_errors.rs b/src/test/ui/consts/const-eval/promoted_errors.rs deleted file mode 100644 index 2c42d0356..000000000 --- a/src/test/ui/consts/const-eval/promoted_errors.rs +++ /dev/null @@ -1,52 +0,0 @@ -// 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-pass -// ignore-pass (test emits codegen-time warnings and verifies that they are not errors) - -//! This test ensures that when we promote code that fails to evaluate, the build still succeeds. - -#![warn(arithmetic_overflow, unconditional_panic)] - -// The only way to have promoteds that fail is in `const fn` called from `const`/`static`. -const fn overflow() -> u32 { - 0 - 1 - //~^ WARN this arithmetic operation will overflow -} -const fn div_by_zero1() -> i32 { - 1 / 0 - //~^ WARN this operation will panic at runtime -} -const fn div_by_zero2() -> i32 { - 1 / (1 - 1) - //~^ WARN this operation will panic at runtime -} -const fn div_by_zero3() -> i32 { - 1 / (false as i32) - //~^ WARN this operation will panic at runtime -} -const fn oob() -> i32 { - [1, 2, 3][4] - //~^ WARN this operation will panic at runtime -} - -const fn mk_false() -> bool { false } - -// An actually used constant referencing failing promoteds in dead code. -// This needs to always work. -const Y: () = { - if mk_false() { - let _x: &'static u32 = &overflow(); - let _x: &'static i32 = &div_by_zero1(); - let _x: &'static i32 = &div_by_zero2(); - let _x: &'static i32 = &div_by_zero3(); - let _x: &'static i32 = &oob(); - } - () -}; - -fn main() { - let _y = Y; -} |