adjust run-fail tests

Author: RalfJung

src/test/run-fail/mir_indexing_oob_1.rs

@@ -2,7 +2,7 @@
 
 const C: [u32; 5] = [0; 5];
 
-#[allow(const_err)]
+#[allow(panic, const_err)]
 fn test() -> u32 {
     C[10]
 }

src/test/run-fail/mir_indexing_oob_2.rs

@@ -2,7 +2,7 @@
 
 const C: &'static [u8; 5] = b"hello";
 
-#[allow(const_err)]
+#[allow(panic, const_err)]
 fn test() -> u8 {
     C[10]
 }

src/test/run-fail/mir_indexing_oob_3.rs

@@ -2,7 +2,7 @@
 
 const C: &'static [u8; 5] = b"hello";
 
-#[allow(const_err)]
+#[allow(panic, const_err)]
 fn mir() -> u8 {
     C[10]
 }

src/test/run-fail/overflowing-add.rs

@@ -1,7 +1,7 @@
 // error-pattern:thread 'main' panicked at 'attempt to add with overflow'
 // compile-flags: -C debug-assertions
 
-#![allow(const_err)]
+#![allow(overflow)]
 
 fn main() {
     let _x = 200u8 + 200u8 + 200u8;

src/test/run-fail/overflowing-mul.rs

@@ -1,7 +1,7 @@
 // error-pattern:thread 'main' panicked at 'attempt to multiply with overflow'
 // compile-flags: -C debug-assertions
 
-#![allow(const_err)]
+#![allow(overflow)]
 
 fn main() {
     let x = 200u8 * 4;

src/test/run-fail/overflowing-neg.rs

@@ -1,7 +1,7 @@
 // error-pattern:thread 'main' panicked at 'attempt to negate with overflow'
 // compile-flags: -C debug-assertions
 
-#![allow(const_err)]
+#![allow(overflow)]
 
 fn main() {
     let _x = -std::i8::MIN;

src/test/run-fail/overflowing-sub.rs

@@ -1,7 +1,7 @@
 // error-pattern:thread 'main' panicked at 'attempt to subtract with overflow'
 // compile-flags: -C debug-assertions
 
-#![allow(const_err)]
+#![allow(overflow)]
 
 fn main() {
     let _x = 42u8 - (42u8 + 1);

src/test/run-fail/promoted_div_by_zero.rs

@@ -1,4 +1,4 @@
-#![allow(const_err)]
+#![allow(panic, const_err)]
 
 // error-pattern: attempt to divide by zero
 

src/test/run-fail/promoted_overflow.rs

@@ -1,4 +1,4 @@
-#![allow(const_err)]
+#![allow(overflow)]
 
 // error-pattern: overflow
 // compile-flags: -C overflow-checks=yes