miri: fix ICE when running out of address space

[rust.git] / compiler / rustc_middle / src / mir / interpret / error.rs

diff --git a/compiler/rustc_middle/src/mir/interpret/error.rs b/compiler/rustc_middle/src/mir/interpret/error.rs
index bd9cd53e11578b2442d0a981d1c3b6dd7fe1a8a2..f22c0dbc60d9d0f6a7114f0db7f87b550737eaca 100644 (file)
--- a/compiler/rustc_middle/src/mir/interpret/error.rs
+++ b/compiler/rustc_middle/src/mir/interpret/error.rs
@@ -430,8 +430,10 @@ pub enum ResourceExhaustionInfo {
     ///
     /// The exact limit is set by the `const_eval_limit` attribute.
     StepLimitReached,
-    /// There is not enough memory to perform an allocation.
+    /// There is not enough memory (on the host) to perform an allocation.
     MemoryExhausted,
+    /// The address space (of the target) is full.
+    AddressSpaceFull,
 }
 
 impl fmt::Display for ResourceExhaustionInfo {
@@ -447,6 +449,9 @@ fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
             MemoryExhausted => {
                 write!(f, "tried to allocate more memory than available to compiler")
             }
+            AddressSpaceFull => {
+                write!(f, "there are no more free addresses in the address space")
+            }
         }
     }
 }