diff --git a/tests/run-make/rust-lld-custom-target/custom-target.json b/tests/run-make/rust-lld-custom-target/custom-target.json
index 7828a99f235c1..e2c64cbdb43c2 100644
--- a/tests/run-make/rust-lld-custom-target/custom-target.json
+++ b/tests/run-make/rust-lld-custom-target/custom-target.json
@@ -2,7 +2,7 @@
   "arch": "x86_64",
   "cpu": "x86-64",
   "crt-static-respected": true,
-  "data-layout": "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128",
+  "data-layout": "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128",
   "dynamic-linking": true,
   "env": "gnu",
   "has-rpath": true,
diff --git a/tests/run-make/rustdoc-target-spec-json-path/target.json b/tests/run-make/rustdoc-target-spec-json-path/target.json
index 34357182c205e..c478f1196fae0 100644
--- a/tests/run-make/rustdoc-target-spec-json-path/target.json
+++ b/tests/run-make/rustdoc-target-spec-json-path/target.json
@@ -2,7 +2,7 @@
   "arch": "x86_64",
   "cpu": "x86-64",
   "crt-static-respected": true,
-  "data-layout": "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128",
+  "data-layout": "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128",
   "dynamic-linking": true,
   "env": "gnu",
   "executables": true,
diff --git a/tests/run-make/target-specs/my-awesome-platform.json b/tests/run-make/target-specs/my-awesome-platform.json
index 00de3de05f07a..1673ef7bd54d1 100644
--- a/tests/run-make/target-specs/my-awesome-platform.json
+++ b/tests/run-make/target-specs/my-awesome-platform.json
@@ -1,5 +1,5 @@
 {
-    "data-layout": "e-m:e-p:32:32-p270:32:32-p271:32:32-p272:64:64-f64:32:64-f80:32-n8:16:32-S128",
+    "data-layout": "e-m:e-p:32:32-p270:32:32-p271:32:32-p272:64:64-i128:128-f64:32:64-f80:32-n8:16:32-S128",
     "linker-flavor": "gcc",
     "llvm-target": "i686-unknown-linux-gnu",
     "target-endian": "little",
diff --git a/tests/run-make/target-specs/my-x86_64-unknown-linux-gnu-platform.json b/tests/run-make/target-specs/my-x86_64-unknown-linux-gnu-platform.json
index 6d5e964ed4fee..0cafce15a9fef 100644
--- a/tests/run-make/target-specs/my-x86_64-unknown-linux-gnu-platform.json
+++ b/tests/run-make/target-specs/my-x86_64-unknown-linux-gnu-platform.json
@@ -1,6 +1,6 @@
 {
     "pre-link-args": {"gcc": ["-m64"]},
-    "data-layout": "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128",
+    "data-layout": "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128",
     "linker-flavor": "gcc",
     "llvm-target": "x86_64-unknown-linux-gnu",
     "target-endian": "little",