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generalize InvalidNullPointerUsage to InvalidIntPointerUsage

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This commit is contained in:
Ralf Jung 2020-03-08 23:28:00 +01:00
parent d02543a453
commit 9a95b010e6
8 changed files with 32 additions and 26 deletions
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6
src/test/ui/consts/const-eval/ub-wide-ptr.stderr
View file

@ -2,7 +2,7 @@ error[E0080]: it is undefined behavior to use this value
--> $DIR/ub-wide-ptr.rs:32:1
|
LL | const STR_TOO_LONG: &str = unsafe { mem::transmute((&42u8, 999usize)) };
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered a dangling reference (not entirely in bounds)
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered a dangling reference (going beyond the bounds of its allocation)
|
= note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior.
@ -70,7 +70,7 @@ error[E0080]: it is undefined behavior to use this value
--> $DIR/ub-wide-ptr.rs:62:1
|
LL | const SLICE_TOO_LONG: &[u8] = unsafe { mem::transmute((&42u8, 999usize)) };
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered a dangling reference (not entirely in bounds)
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered a dangling reference (going beyond the bounds of its allocation)
|
= note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior.
@ -86,7 +86,7 @@ error[E0080]: it is undefined behavior to use this value
--> $DIR/ub-wide-ptr.rs:68:1
|
LL | const SLICE_TOO_LONG_BOX: Box<[u8]> = unsafe { mem::transmute((&42u8, 999usize)) };
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered a dangling box (not entirely in bounds)
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered a dangling box (going beyond the bounds of its allocation)
|
= note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior.

2
src/test/ui/error-codes/E0396-fixed.stderr
View file

@ -4,7 +4,7 @@ error: any use of this value will cause an error
LL | const VALUE: u8 = unsafe { *REG_ADDR };
| ---------------------------^^^^^^^^^---
| |
| a memory access tried to interpret some bytes as a pointer
| unable to turn these bytes into a pointer
|
= note: `#[deny(const_err)]` on by default