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make error message less confusing

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This commit is contained in:
Ralf Jung 2020-03-09 21:51:22 +01:00
parent 9681422943
commit 93436d8fd7
5 changed files with 27 additions and 27 deletions
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4
src/librustc/mir/interpret/error.rs
View file

@ -485,8 +485,8 @@ impl fmt::Debug for UnsupportedOpInfo {
initializer"
),
ReadPointerAsBytes => write!(f, "unable to turn this pointer into raw bytes",),
ReadBytesAsPointer => write!(f, "unable to turn these bytes into a pointer"),
ReadPointerAsBytes => write!(f, "unable to turn pointer into raw bytes",),
ReadBytesAsPointer => write!(f, "unable to turn bytes into a pointer"),
}
}
}

40
src/test/ui/consts/const-eval/const-pointer-values-in-various-types.stderr
View file

@ -12,7 +12,7 @@ error: any use of this value will cause an error
LL | const I32_REF_U8_UNION: u8 = unsafe { Nonsense { int_32_ref: &3 }.uint_8 };
| --------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^---
| |
| unable to turn this pointer into raw bytes
| unable to turn pointer into raw bytes
|
= note: `#[deny(const_err)]` on by default
@ -22,7 +22,7 @@ error: any use of this value will cause an error
LL | const I32_REF_U16_UNION: u16 = unsafe { Nonsense { int_32_ref: &3 }.uint_16 };
| ----------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^---
| |
| unable to turn this pointer into raw bytes
| unable to turn pointer into raw bytes
error: any use of this value will cause an error
--> $DIR/const-pointer-values-in-various-types.rs:34:45
@ -30,7 +30,7 @@ error: any use of this value will cause an error
LL | const I32_REF_U32_UNION: u32 = unsafe { Nonsense { int_32_ref: &3 }.uint_32 };
| ----------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^---
| |
| unable to turn this pointer into raw bytes
| unable to turn pointer into raw bytes
error[E0080]: it is undefined behavior to use this value
--> $DIR/const-pointer-values-in-various-types.rs:37:5
@ -54,7 +54,7 @@ error: any use of this value will cause an error
LL | const I32_REF_I8_UNION: i8 = unsafe { Nonsense { int_32_ref: &3 }.int_8 };
| --------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^---
| |
| unable to turn this pointer into raw bytes
| unable to turn pointer into raw bytes
error: any use of this value will cause an error
--> $DIR/const-pointer-values-in-various-types.rs:46:45
@ -62,7 +62,7 @@ error: any use of this value will cause an error
LL | const I32_REF_I16_UNION: i16 = unsafe { Nonsense { int_32_ref: &3 }.int_16 };
| ----------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^---
| |
| unable to turn this pointer into raw bytes
| unable to turn pointer into raw bytes
error: any use of this value will cause an error
--> $DIR/const-pointer-values-in-various-types.rs:49:45
@ -70,7 +70,7 @@ error: any use of this value will cause an error
LL | const I32_REF_I32_UNION: i32 = unsafe { Nonsense { int_32_ref: &3 }.int_32 };
| ----------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^---
| |
| unable to turn this pointer into raw bytes
| unable to turn pointer into raw bytes
error[E0080]: it is undefined behavior to use this value
--> $DIR/const-pointer-values-in-various-types.rs:52:5
@ -94,7 +94,7 @@ error: any use of this value will cause an error
LL | const I32_REF_F32_UNION: f32 = unsafe { Nonsense { int_32_ref: &3 }.float_32 };
| ----------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^---
| |
| unable to turn this pointer into raw bytes
| unable to turn pointer into raw bytes
error[E0080]: it is undefined behavior to use this value
--> $DIR/const-pointer-values-in-various-types.rs:61:5
@ -110,7 +110,7 @@ error: any use of this value will cause an error
LL | const I32_REF_BOOL_UNION: bool = unsafe { Nonsense { int_32_ref: &3 }.truthy_falsey };
| ------------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^---
| |
| unable to turn this pointer into raw bytes
| unable to turn pointer into raw bytes
error: any use of this value will cause an error
--> $DIR/const-pointer-values-in-various-types.rs:67:47
@ -118,7 +118,7 @@ error: any use of this value will cause an error
LL | const I32_REF_CHAR_UNION: char = unsafe { Nonsense { int_32_ref: &3 }.character };
| ------------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^---
| |
| unable to turn this pointer into raw bytes
| unable to turn pointer into raw bytes
error: any use of this value will cause an error
--> $DIR/const-pointer-values-in-various-types.rs:70:39
@ -126,7 +126,7 @@ error: any use of this value will cause an error
LL | const STR_U8_UNION: u8 = unsafe { Nonsense { stringy: "3" }.uint_8 };
| ----------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^---
| |
| unable to turn this pointer into raw bytes
| unable to turn pointer into raw bytes
error: any use of this value will cause an error
--> $DIR/const-pointer-values-in-various-types.rs:73:41
@ -134,7 +134,7 @@ error: any use of this value will cause an error
LL | const STR_U16_UNION: u16 = unsafe { Nonsense { stringy: "3" }.uint_16 };
| ------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^---
| |
| unable to turn this pointer into raw bytes
| unable to turn pointer into raw bytes
error: any use of this value will cause an error
--> $DIR/const-pointer-values-in-various-types.rs:76:41
@ -142,7 +142,7 @@ error: any use of this value will cause an error
LL | const STR_U32_UNION: u32 = unsafe { Nonsense { stringy: "3" }.uint_32 };
| ------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^---
| |
| unable to turn this pointer into raw bytes
| unable to turn pointer into raw bytes
error[E0080]: it is undefined behavior to use this value
--> $DIR/const-pointer-values-in-various-types.rs:79:5
@ -158,7 +158,7 @@ error: any use of this value will cause an error
LL | const STR_U128_UNION: u128 = unsafe { Nonsense { stringy: "3" }.uint_128 };
| --------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^---
| |
| unable to turn this pointer into raw bytes
| unable to turn pointer into raw bytes
error: any use of this value will cause an error
--> $DIR/const-pointer-values-in-various-types.rs:85:39
@ -166,7 +166,7 @@ error: any use of this value will cause an error
LL | const STR_I8_UNION: i8 = unsafe { Nonsense { stringy: "3" }.int_8 };
| ----------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^---
| |
| unable to turn this pointer into raw bytes
| unable to turn pointer into raw bytes
error: any use of this value will cause an error
--> $DIR/const-pointer-values-in-various-types.rs:88:41
@ -174,7 +174,7 @@ error: any use of this value will cause an error
LL | const STR_I16_UNION: i16 = unsafe { Nonsense { stringy: "3" }.int_16 };
| ------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^---
| |
| unable to turn this pointer into raw bytes
| unable to turn pointer into raw bytes
error: any use of this value will cause an error
--> $DIR/const-pointer-values-in-various-types.rs:91:41
@ -182,7 +182,7 @@ error: any use of this value will cause an error
LL | const STR_I32_UNION: i32 = unsafe { Nonsense { stringy: "3" }.int_32 };
| ------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^---
| |
| unable to turn this pointer into raw bytes
| unable to turn pointer into raw bytes
error[E0080]: it is undefined behavior to use this value
--> $DIR/const-pointer-values-in-various-types.rs:94:5
@ -198,7 +198,7 @@ error: any use of this value will cause an error
LL | const STR_I128_UNION: i128 = unsafe { Nonsense { stringy: "3" }.int_128 };
| --------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^---
| |
| unable to turn this pointer into raw bytes
| unable to turn pointer into raw bytes
error: any use of this value will cause an error
--> $DIR/const-pointer-values-in-various-types.rs:100:41
@ -206,7 +206,7 @@ error: any use of this value will cause an error
LL | const STR_F32_UNION: f32 = unsafe { Nonsense { stringy: "3" }.float_32 };
| ------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^---
| |
| unable to turn this pointer into raw bytes
| unable to turn pointer into raw bytes
error[E0080]: it is undefined behavior to use this value
--> $DIR/const-pointer-values-in-various-types.rs:103:5
@ -222,7 +222,7 @@ error: any use of this value will cause an error
LL | const STR_BOOL_UNION: bool = unsafe { Nonsense { stringy: "3" }.truthy_falsey };
| --------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^---
| |
| unable to turn this pointer into raw bytes
| unable to turn pointer into raw bytes
error: any use of this value will cause an error
--> $DIR/const-pointer-values-in-various-types.rs:109:43
@ -230,7 +230,7 @@ error: any use of this value will cause an error
LL | const STR_CHAR_UNION: char = unsafe { Nonsense { stringy: "3" }.character };
| --------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^---
| |
| unable to turn this pointer into raw bytes
| unable to turn pointer into raw bytes
error: aborting due to 29 previous errors

4
src/test/ui/consts/const-eval/const_raw_ptr_ops.stderr
View file

@ -30,7 +30,7 @@ error: any use of this value will cause an error
LL | const Z2: i32 = unsafe { *(42 as *const i32) };
| -------------------------^^^^^^^^^^^^^^^^^^^---
| |
| unable to turn these bytes into a pointer
| unable to turn bytes into a pointer
error: any use of this value will cause an error
--> $DIR/const_raw_ptr_ops.rs:17:26
@ -38,7 +38,7 @@ error: any use of this value will cause an error
LL | const Z3: i32 = unsafe { *(44 as *const i32) };
| -------------------------^^^^^^^^^^^^^^^^^^^---
| |
| unable to turn these bytes into a pointer
| unable to turn bytes into a pointer
error: aborting due to 5 previous errors

4
src/test/ui/consts/offset_from_ub.stderr
View file

@ -26,7 +26,7 @@ error: any use of this value will cause an error
LL | intrinsics::ptr_offset_from(self, origin)
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
| |
| unable to turn these bytes into a pointer
| unable to turn bytes into a pointer
| inside call to `std::ptr::const_ptr::<impl *const u8>::offset_from` at $DIR/offset_from_ub.rs:28:14
|
::: $DIR/offset_from_ub.rs:26:1
@ -81,7 +81,7 @@ error: any use of this value will cause an error
LL | intrinsics::ptr_offset_from(self, origin)
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
| |
| unable to turn these bytes into a pointer
| unable to turn bytes into a pointer
| inside call to `std::ptr::const_ptr::<impl *const u8>::offset_from` at $DIR/offset_from_ub.rs:49:14
|
::: $DIR/offset_from_ub.rs:45:1

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 };
| ---------------------------^^^^^^^^^---
| |
| unable to turn these bytes into a pointer
| unable to turn bytes into a pointer
|
= note: `#[deny(const_err)]` on by default