diff --git a/validation-test/compiler_crashers/16694-swift-constraints-constraintsystem-opentype.swift b/validation-test/compiler_crashers/16694-swift-constraints-constraintsystem-opentype.swift
index 67185b26c052d..0262c4be819dc 100644
--- a/validation-test/compiler_crashers/16694-swift-constraints-constraintsystem-opentype.swift
+++ b/validation-test/compiler_crashers/16694-swift-constraints-constraintsystem-opentype.swift
@@ -4,4 +4,5 @@
 // Test case submitted to project by https://github.com/practicalswift (practicalswift)
 // Test case found by fuzzing
 
+// Crash type: memory error ("Invalid read of size 4")
 var a{class d{var b=B{}let c=(x:d<T{{}}class B<T where h=d>:a
diff --git a/validation-test/compiler_crashers/24394-swift-typevariabletype-implementation-getrepresentative.swift b/validation-test/compiler_crashers/24394-swift-typevariabletype-implementation-getrepresentative.swift
index 3c022a115c12c..37c7eae4b193f 100644
--- a/validation-test/compiler_crashers/24394-swift-typevariabletype-implementation-getrepresentative.swift
+++ b/validation-test/compiler_crashers/24394-swift-typevariabletype-implementation-getrepresentative.swift
@@ -4,6 +4,7 @@
 // Test case submitted to project by https://github.com/practicalswift (practicalswift)
 // Test case found by fuzzing
 
+// Crash type: memory error ("Invalid read of size 8")
 [Void{}}struct A
 protocol A{typealias b:A func b
 class A<S:e
diff --git a/validation-test/compiler_crashers/25458-swift-archetypetype-getnestedtype.swift b/validation-test/compiler_crashers/25458-swift-archetypetype-getnestedtype.swift
index 31c97a901d7c9..f235a07b3ee17 100644
--- a/validation-test/compiler_crashers/25458-swift-archetypetype-getnestedtype.swift
+++ b/validation-test/compiler_crashers/25458-swift-archetypetype-getnestedtype.swift
@@ -4,6 +4,7 @@
 // Test case submitted to project by https://github.com/practicalswift (practicalswift)
 // Test case found by fuzzing
 
+// Crash type: memory error ("Invalid read of size 8")
 class a{
 class c
 class B:A
diff --git a/validation-test/compiler_crashers/27203-swift-typeloc-iserror.swift b/validation-test/compiler_crashers/27203-swift-typeloc-iserror.swift
index 2c9a97bb832b3..b336d90595c79 100644
--- a/validation-test/compiler_crashers/27203-swift-typeloc-iserror.swift
+++ b/validation-test/compiler_crashers/27203-swift-typeloc-iserror.swift
@@ -4,4 +4,5 @@
 // Test case submitted to project by https://github.com/practicalswift (practicalswift)
 // Test case found by fuzzing
 
+// Crash type: memory error ("Invalid read of size 4")
 class n{protocol a:d var d={class b:a
diff --git a/validation-test/compiler_crashers/27443-matchwitness.swift b/validation-test/compiler_crashers/27443-matchwitness.swift
index 667040c0cf33f..e3abefd1819c2 100644
--- a/validation-test/compiler_crashers/27443-matchwitness.swift
+++ b/validation-test/compiler_crashers/27443-matchwitness.swift
@@ -4,6 +4,7 @@
 // Test case submitted to project by https://github.com/practicalswift (practicalswift)
 // Test case found by fuzzing
 
+// Crash type: memory error ("Invalid read of size 8")
 {e
 struct B:a{let t:a}
 protocol a{let t:a
diff --git a/validation-test/compiler_crashers/27754-swift-typechecker-resolvetypeincontext.swift b/validation-test/compiler_crashers/27754-swift-typechecker-resolvetypeincontext.swift
index 4d6f6e503e3e2..af1a11782c941 100644
--- a/validation-test/compiler_crashers/27754-swift-typechecker-resolvetypeincontext.swift
+++ b/validation-test/compiler_crashers/27754-swift-typechecker-resolvetypeincontext.swift
@@ -4,4 +4,5 @@
 // Test case submitted to project by https://github.com/practicalswift (practicalswift)
 // Test case found by fuzzing
 
+// Crash type: memory error ("Invalid read of size 8")
 class d{let f=a< class a{extension{struct Q<h:a{protocol P{func<
diff --git a/validation-test/compiler_crashers/28155-swift-typechecker-validategenericfuncsignature.swift b/validation-test/compiler_crashers/28155-swift-typechecker-validategenericfuncsignature.swift
index 82709da073b4d..fe042ce20cfb2 100644
--- a/validation-test/compiler_crashers/28155-swift-typechecker-validategenericfuncsignature.swift
+++ b/validation-test/compiler_crashers/28155-swift-typechecker-validategenericfuncsignature.swift
@@ -4,4 +4,5 @@
 // Test case submitted to project by https://github.com/practicalswift (practicalswift)
 // Test case found by fuzzing
 
+// Crash type: memory error ("Invalid read of size 2")
 class A{func b->Self{{{}}class B<n{let a=self