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Author	SHA1	Message	Date
Felix S. Klock II	4394720dae	Fix the overflowing tests in run-fail. * The error patterns had a typo. * Our current constant evaluation would silently allow the overflow (filed as Issue 22531). * The overflowing-mul test was accidentally doing addition instead of multiplication.	2015-03-03 12:10:20 +01:00
Corey Richardson	cdfff9db35	rustc: implement arithmetic overflow checking Adds overflow checking to integer addition, multiplication, and subtraction when `-Z force-overflow-checks` is true, or if `--cfg ndebug` is not passed to the compiler. On overflow, it panics with `arithmetic operation overflowed`. Also adds `overflowing_add`, `overflowing_sub`, and `overflowing_mul` intrinsics for doing unchecked arithmetic. [breaking-change]	2015-03-03 12:09:07 +01:00

Author

SHA1

Message

Date

Felix S. Klock II

4394720dae

Fix the overflowing tests in run-fail.

* The error patterns had a typo.

* Our current constant evaluation would silently allow the overflow
  (filed as Issue 22531).

* The overflowing-mul test was accidentally doing addition instead of
  multiplication.

2015-03-03 12:10:20 +01:00

Corey Richardson

cdfff9db35

rustc: implement arithmetic overflow checking

Adds overflow checking to integer addition, multiplication, and subtraction
when `-Z force-overflow-checks` is true, or if `--cfg ndebug` is not passed to
the compiler. On overflow, it panics with `arithmetic operation overflowed`.
Also adds `overflowing_add`, `overflowing_sub`, and `overflowing_mul`
intrinsics for doing unchecked arithmetic.

[breaking-change]

2015-03-03 12:09:07 +01:00

2 Commits