diff --git a/compiler/rustc_symbol_mangling/src/typeid/typeid_itanium_cxx_abi.rs b/compiler/rustc_symbol_mangling/src/typeid/typeid_itanium_cxx_abi.rs
index 18ca347de97f1..e49d134659ec6 100644
--- a/compiler/rustc_symbol_mangling/src/typeid/typeid_itanium_cxx_abi.rs
+++ b/compiler/rustc_symbol_mangling/src/typeid/typeid_itanium_cxx_abi.rs
@@ -773,12 +773,7 @@ fn transform_ty<'tcx>(tcx: TyCtxt<'tcx>, ty: Ty<'tcx>, options: TransformTyOptio
     let mut ty = ty;
 
     match ty.kind() {
-        ty::Float(..)
-        | ty::Char
-        | ty::Str
-        | ty::Never
-        | ty::Foreign(..)
-        | ty::CoroutineWitness(..) => {}
+        ty::Float(..) | ty::Str | ty::Never | ty::Foreign(..) | ty::CoroutineWitness(..) => {}
 
         ty::Bool => {
             if options.contains(EncodeTyOptions::NORMALIZE_INTEGERS) {
@@ -792,6 +787,14 @@ fn transform_ty<'tcx>(tcx: TyCtxt<'tcx>, ty: Ty<'tcx>, options: TransformTyOptio
             }
         }
 
+        ty::Char => {
+            if options.contains(EncodeTyOptions::NORMALIZE_INTEGERS) {
+                // Since #118032, char is guaranteed to have the same size, alignment, and function
+                // call ABI as u32 on all platforms.
+                ty = tcx.types.u32;
+            }
+        }
+
         ty::Int(..) | ty::Uint(..) => {
             if options.contains(EncodeTyOptions::NORMALIZE_INTEGERS) {
                 // Note: C99 7.18.2.4 requires uintptr_t and intptr_t to be at least 16-bit wide.
diff --git a/tests/codegen/sanitizer/cfi-normalize-integers.rs b/tests/codegen/sanitizer/cfi-normalize-integers.rs
index 9663aa54c28d6..d3cece4c7b6f2 100644
--- a/tests/codegen/sanitizer/cfi-normalize-integers.rs
+++ b/tests/codegen/sanitizer/cfi-normalize-integers.rs
@@ -6,78 +6,41 @@
 #![crate_type="lib"]
 
 extern crate core;
-use core::ffi::*;
 
 pub fn foo0(_: bool) { }
 // CHECK: define{{.*}}foo0{{.*}}!type ![[TYPE0:[0-9]+]] !type !{{[0-9]+}}
-pub fn foo1(_: bool, _: c_uchar) { }
+pub fn foo1(_: bool, _: bool) { }
 // CHECK: define{{.*}}foo1{{.*}}!type ![[TYPE1:[0-9]+]] !type !{{[0-9]+}}
-pub fn foo2(_: bool, _: c_uchar, _: c_uchar) { }
+pub fn foo2(_: bool, _: bool, _: bool) { }
 // CHECK: define{{.*}}foo2{{.*}}!type ![[TYPE2:[0-9]+]] !type !{{[0-9]+}}
-pub fn foo3(_: isize) { }
+pub fn foo3(_: char) { }
 // CHECK: define{{.*}}foo3{{.*}}!type ![[TYPE3:[0-9]+]] !type !{{[0-9]+}}
-pub fn foo4(_: isize, _: c_long) { }
+pub fn foo4(_: char, _: char) { }
 // CHECK: define{{.*}}foo4{{.*}}!type ![[TYPE4:[0-9]+]] !type !{{[0-9]+}}
-pub fn foo5(_: isize, _: c_long, _: c_longlong) { }
+pub fn foo5(_: char, _: char, _: char) { }
 // CHECK: define{{.*}}foo5{{.*}}!type ![[TYPE5:[0-9]+]] !type !{{[0-9]+}}
-pub fn foo6(_: usize) { }
+pub fn foo6(_: isize) { }
 // CHECK: define{{.*}}foo6{{.*}}!type ![[TYPE6:[0-9]+]] !type !{{[0-9]+}}
-pub fn foo7(_: usize, _: c_ulong) { }
+pub fn foo7(_: isize, _: isize) { }
 // CHECK: define{{.*}}foo7{{.*}}!type ![[TYPE7:[0-9]+]] !type !{{[0-9]+}}
-pub fn foo8(_: usize, _: c_ulong, _: c_ulonglong) { }
+pub fn foo8(_: isize, _: isize, _: isize) { }
 // CHECK: define{{.*}}foo8{{.*}}!type ![[TYPE8:[0-9]+]] !type !{{[0-9]+}}
-pub fn foo9(_: c_schar) { }
+pub fn foo9(_: (), _: usize) { }
 // CHECK: define{{.*}}foo9{{.*}}!type ![[TYPE9:[0-9]+]] !type !{{[0-9]+}}
-pub fn foo10(_: c_char, _: c_schar) { }
+pub fn foo10(_: (), _: usize, _: usize) { }
 // CHECK: define{{.*}}foo10{{.*}}!type ![[TYPE10:[0-9]+]] !type !{{[0-9]+}}
-pub fn foo11(_: c_char, _: c_schar, _: c_schar) { }
+pub fn foo11(_: (), _: usize, _: usize, _: usize) { }
 // CHECK: define{{.*}}foo11{{.*}}!type ![[TYPE11:[0-9]+]] !type !{{[0-9]+}}
-pub fn foo12(_: c_int) { }
-// CHECK: define{{.*}}foo12{{.*}}!type ![[TYPE12:[0-9]+]] !type !{{[0-9]+}}
-pub fn foo13(_: c_int, _: c_int) { }
-// CHECK: define{{.*}}foo13{{.*}}!type ![[TYPE13:[0-9]+]] !type !{{[0-9]+}}
-pub fn foo14(_: c_int, _: c_int, _: c_int) { }
-// CHECK: define{{.*}}foo14{{.*}}!type ![[TYPE14:[0-9]+]] !type !{{[0-9]+}}
-pub fn foo15(_: c_short) { }
-// CHECK: define{{.*}}foo15{{.*}}!type ![[TYPE15:[0-9]+]] !type !{{[0-9]+}}
-pub fn foo16(_: c_short, _: c_short) { }
-// CHECK: define{{.*}}foo16{{.*}}!type ![[TYPE16:[0-9]+]] !type !{{[0-9]+}}
-pub fn foo17(_: c_short, _: c_short, _: c_short) { }
-// CHECK: define{{.*}}foo17{{.*}}!type ![[TYPE17:[0-9]+]] !type !{{[0-9]+}}
-pub fn foo18(_: c_uint) { }
-// CHECK: define{{.*}}foo18{{.*}}!type ![[TYPE18:[0-9]+]] !type !{{[0-9]+}}
-pub fn foo19(_: c_uint, _: c_uint) { }
-// CHECK: define{{.*}}foo19{{.*}}!type ![[TYPE19:[0-9]+]] !type !{{[0-9]+}}
-pub fn foo20(_: c_uint, _: c_uint, _: c_uint) { }
-// CHECK: define{{.*}}foo20{{.*}}!type ![[TYPE20:[0-9]+]] !type !{{[0-9]+}}
-pub fn foo21(_: c_ushort) { }
-// CHECK: define{{.*}}foo21{{.*}}!type ![[TYPE21:[0-9]+]] !type !{{[0-9]+}}
-pub fn foo22(_: c_ushort, _: c_ushort) { }
-// CHECK: define{{.*}}foo22{{.*}}!type ![[TYPE22:[0-9]+]] !type !{{[0-9]+}}
-pub fn foo23(_: c_ushort, _: c_ushort, _: c_ushort) { }
-// CHECK: define{{.*}}foo23{{.*}}!type ![[TYPE23:[0-9]+]] !type !{{[0-9]+}}
 
 // CHECK: ![[TYPE0]] = !{i64 0, !"_ZTSFvu2u8E.normalized"}
 // CHECK: ![[TYPE1]] = !{i64 0, !"_ZTSFvu2u8S_E.normalized"}
 // CHECK: ![[TYPE2]] = !{i64 0, !"_ZTSFvu2u8S_S_E.normalized"}
-// CHECK: ![[TYPE3]] = !{i64 0, !"_ZTSFv{{u3i16|u3i32|u3i64}}E.normalized"}
-// CHECK: ![[TYPE4]] = !{i64 0, !"_ZTSFv{{u3i16|u3i32|u3i64}}{{u3i32|u3i64|S_}}E.normalized"}
-// CHECK: ![[TYPE5]] = !{i64 0, !"_ZTSFv{{u3i16|u3i32|u3i64}}{{u3i32|u3i64|S_}}{{u3i64|S_|S0_}}E.normalized"}
-// CHECK: ![[TYPE6]] = !{i64 0, !"_ZTSFv{{u3u16|u3u32|u3u64}}E.normalized"}
-// CHECK: ![[TYPE7]] = !{i64 0, !"_ZTSFv{{u3u16|u3u32|u3u64}}{{u3u32|u3u64|S_}}E.normalized"}
-// CHECK: ![[TYPE8]] = !{i64 0, !"_ZTSFv{{u3u16|u3u32|u3u64}}{{u3u32|u3u64|S_}}{{u3u64|S_|S0_}}E.normalized"}
-// CHECK: ![[TYPE9]] = !{i64 0, !"_ZTSFvu2i8E.normalized"}
-// CHECK: ![[TYPE10]] = !{i64 0, !"_ZTSFv{{u2i8S_|u2u8u2i8}}E.normalized"}
-// CHECK: ![[TYPE11]] = !{i64 0, !"_ZTSFv{{u2i8S_S_|u2u8u2i8S0_}}E.normalized"}
-// CHECK: ![[TYPE12]] = !{i64 0, !"_ZTSFv{{u3i16|u3i32|u3i64}}E.normalized"}
-// CHECK: ![[TYPE13]] = !{i64 0, !"_ZTSFv{{u3i16|u3i32|u3i64}}S_E.normalized"}
-// CHECK: ![[TYPE14]] = !{i64 0, !"_ZTSFv{{u3i16|u3i32|u3i64}}S_S_E.normalized"}
-// CHECK: ![[TYPE15]] = !{i64 0, !"_ZTSFvu3i16E.normalized"}
-// CHECK: ![[TYPE16]] = !{i64 0, !"_ZTSFvu3i16S_E.normalized"}
-// CHECK: ![[TYPE17]] = !{i64 0, !"_ZTSFvu3i16S_S_E.normalized"}
-// CHECK: ![[TYPE18]] = !{i64 0, !"_ZTSFv{{u3u16|u3u32|u3u64}}E.normalized"}
-// CHECK: ![[TYPE19]] = !{i64 0, !"_ZTSFv{{u3u16|u3u32|u3u64}}S_E.normalized"}
-// CHECK: ![[TYPE20]] = !{i64 0, !"_ZTSFv{{u3u16|u3u32|u3u64}}S_S_E.normalized"}
-// CHECK: ![[TYPE21]] = !{i64 0, !"_ZTSFvu3u16E.normalized"}
-// CHECK: ![[TYPE22]] = !{i64 0, !"_ZTSFvu3u16S_E.normalized"}
-// CHECK: ![[TYPE23]] = !{i64 0, !"_ZTSFvu3u16S_S_E.normalized"}
+// CHECK: ![[TYPE3]] = !{i64 0, !"_ZTSFvu3u32E.normalized"}
+// CHECK: ![[TYPE4]] = !{i64 0, !"_ZTSFvu3u32S_E.normalized"}
+// CHECK: ![[TYPE5]] = !{i64 0, !"_ZTSFvu3u32S_S_E.normalized"}
+// CHECK: ![[TYPE6]] = !{i64 0, !"_ZTSFv{{u3i16|u3i32|u3i64|u4i128}}E.normalized"}
+// CHECK: ![[TYPE7]] = !{i64 0, !"_ZTSFv{{u3i16|u3i32|u3i64|u4i128}}S_E.normalized"}
+// CHECK: ![[TYPE8]] = !{i64 0, !"_ZTSFv{{u3i16|u3i32|u3i64|u4i128}}S_S_E.normalized"}
+// CHECK: ![[TYPE9]] = !{i64 0, !"_ZTSFvv{{u3u16|u3u32|u3u64|u4u128}}E.normalized"}
+// CHECK: ![[TYPE10]] = !{i64 0, !"_ZTSFvv{{u3u16|u3u32|u3u64|u4u128}}S_E.normalized"}
+// CHECK: ![[TYPE11]] = !{i64 0, !"_ZTSFvv{{u3u16|u3u32|u3u64|u4u128}}S_S_E.normalized"}