Report const eval error inside the query

src/test/ui/issues/issue-39559-2.stderr

@@ -4,12 +4,24 @@ error[E0015]: calls in constants are limited to constant functions, tuple struct
 LL |     let array: [usize; Dim3::dim()]
    |                        ^^^^^^^^^^^
 
+error[E0080]: evaluation of constant value failed
+  --> $DIR/issue-39559-2.rs:24:24
+   |
+LL |     let array: [usize; Dim3::dim()]
+   |                        ^^^^^^^^^^^ calling non-const fn `<Dim3 as Dim>::dim`
+
 error[E0015]: calls in constants are limited to constant functions, tuple structs and tuple variants
   --> $DIR/issue-39559-2.rs:26:15
    |
 LL |         = [0; Dim3::dim()];
    |               ^^^^^^^^^^^
 
-error: aborting due to 2 previous errors
+error[E0080]: evaluation of constant value failed
+  --> $DIR/issue-39559-2.rs:27:15
+   |
+LL |         = [0; Dim3::dim()];
+   |               ^^^^^^^^^^^ calling non-const fn `<Dim3 as Dim>::dim`
+
+error: aborting due to 4 previous errors
 
 For more information about this error, try `rustc --explain E0015`.

src/test/ui/issues/issue-41394.rs

@@ -15,6 +15,7 @@ enum Foo {
 
 enum Bar {
     A = Foo::A as isize
+    //~^ ERROR evaluation of constant value failed
 }
 
 fn main() {}

src/test/ui/issues/issue-41394.stderr

@@ -6,6 +6,13 @@ LL |     A = "" + 1
    |
    = note: an implementation of `std::ops::Add` might be missing for `&str`
 
-error: aborting due to previous error
+error[E0080]: evaluation of constant value failed
+  --> $DIR/issue-41394.rs:17:9
+   |
+LL |     A = Foo::A as isize
+   |         ^^^^^^^^^^^^^^^ referenced constant has errors
 
-For more information about this error, try `rustc --explain E0369`.
+error: aborting due to 2 previous errors
+
+Some errors occurred: E0080, E0369.
+For more information about an error, try `rustc --explain E0080`.

src/test/ui/issues/issue-43105.rs

@@ -12,10 +12,11 @@ fn xyz() -> u8 { 42 }
 
 const NUM: u8 = xyz();
 //~^ ERROR calls in constants are limited to constant functions, tuple structs and tuple variants
+//~| ERROR any use of this value will cause an error
 
 fn main() {
     match 1 {
-        NUM => unimplemented!(),
+        NUM => unimplemented!(), //~ ERROR could not evaluate constant pattern
         _ => unimplemented!(),
     }
 }

src/test/ui/issues/issue-43105.stderr

@@ -4,6 +4,22 @@ error[E0015]: calls in constants are limited to constant functions, tuple struct
 LL | const NUM: u8 = xyz();
    |                 ^^^^^
 
-error: aborting due to previous error
+error: any use of this value will cause an error
+  --> $DIR/issue-43105.rs:13:1
+   |
+LL | const NUM: u8 = xyz();
+   | ^^^^^^^^^^^^^^^^-----^
+   |                 |
+   |                 calling non-const fn `xyz`
+   |
+   = note: #[deny(const_err)] on by default
+
+error: could not evaluate constant pattern
+  --> $DIR/issue-43105.rs:19:9
+   |
+LL |         NUM => unimplemented!(), //~ ERROR could not evaluate constant pattern
+   |         ^^^
+
+error: aborting due to 3 previous errors
 
 For more information about this error, try `rustc --explain E0015`.

src/test/ui/issues/issue-44415.stderr

@@ -1,6 +1,11 @@
 error[E0391]: cycle detected when computing layout of `Foo`
    |
 note: ...which requires normalizing `ParamEnvAnd { param_env: ParamEnv { caller_bounds: [], reveal: All }, value: [u8; _] }`...
+note: ...which requires const-evaluating + checking `Foo::bytes::{{constant}}`...
+  --> $DIR/issue-44415.rs:19:17
+   |
+LL |     bytes: [u8; unsafe { intrinsics::size_of::<Foo>() }],
+   |                 ^^^^^^
 note: ...which requires const-evaluating `Foo::bytes::{{constant}}`...
   --> $DIR/issue-44415.rs:19:26
    |

src/test/ui/issues/issue-50599.rs

@@ -12,4 +12,5 @@ fn main() {
     const N: u32 = 1_000;
     const M: usize = (f64::from(N) * std::f64::LOG10_2) as usize; //~ ERROR cannot find value
     let mut digits = [0u32; M];
+    //~^ ERROR evaluation of constant value failed
 }

src/test/ui/issues/issue-50599.stderr

@@ -10,6 +10,13 @@ LL | use std::f32::consts::LOG10_2;
 LL | use std::f64::consts::LOG10_2;
    |
 
-error: aborting due to previous error
+error[E0080]: evaluation of constant value failed
+  --> $DIR/issue-50599.rs:14:29
+   |
+LL |     let mut digits = [0u32; M];
+   |                             ^ referenced constant has errors
 
-For more information about this error, try `rustc --explain E0425`.
+error: aborting due to 2 previous errors
+
+Some errors occurred: E0080, E0425.
+For more information about an error, try `rustc --explain E0080`.