Fix a race condition caused by concurrently executed codegen unit tests.

src/test/codegen-units/partitioning/extern-drop-glue.rs

@@ -9,7 +9,10 @@
 // except according to those terms.
 
 // ignore-tidy-linelength
-// compile-flags:-Zprint-trans-items=lazy -Zincremental=tmp
+
+// We specify -Z incremental here because we want to test the partitioning for
+// incremental compilation
+// compile-flags:-Zprint-trans-items=lazy -Zincremental=tmp/partitioning-tests/extern-drop-glue
 
 #![allow(dead_code)]
 #![crate_type="lib"]

src/test/codegen-units/partitioning/extern-generic.rs

@@ -9,7 +9,9 @@
 // except according to those terms.
 
 // ignore-tidy-linelength
-// compile-flags:-Zprint-trans-items=eager -Zincremental=tmp
+// We specify -Z incremental here because we want to test the partitioning for
+// incremental compilation
+// compile-flags:-Zprint-trans-items=eager -Zincremental=tmp/partitioning-tests/extern-generic
 
 #![allow(dead_code)]
 #![crate_type="lib"]

src/test/codegen-units/partitioning/inlining-from-extern-crate.rs

@@ -9,7 +9,9 @@
 // except according to those terms.
 
 // ignore-tidy-linelength
-// compile-flags:-Zprint-trans-items=lazy -Zincremental=tmp
+// We specify -Z incremental here because we want to test the partitioning for
+// incremental compilation
+// compile-flags:-Zprint-trans-items=lazy -Zincremental=tmp/partitioning-tests/inlining-from-extern-crate
 
 #![crate_type="lib"]
 

src/test/codegen-units/partitioning/local-drop-glue.rs

@@ -9,7 +9,9 @@
 // except according to those terms.
 
 // ignore-tidy-linelength
-// compile-flags:-Zprint-trans-items=lazy -Zincremental=tmp
+// We specify -Z incremental here because we want to test the partitioning for
+// incremental compilation
+// compile-flags:-Zprint-trans-items=lazy -Zincremental=tmp/partitioning-tests/local-drop-glue
 
 #![allow(dead_code)]
 #![crate_type="lib"]

src/test/codegen-units/partitioning/local-generic.rs

@@ -9,7 +9,9 @@
 // except according to those terms.
 
 // ignore-tidy-linelength
-// compile-flags:-Zprint-trans-items=eager -Zincremental=tmp
+// We specify -Z incremental here because we want to test the partitioning for
+// incremental compilation
+// compile-flags:-Zprint-trans-items=eager -Zincremental=tmp/partitioning-tests/local-generic
 
 #![allow(dead_code)]
 #![crate_type="lib"]

src/test/codegen-units/partitioning/local-inlining.rs

@@ -9,7 +9,9 @@
 // except according to those terms.
 
 // ignore-tidy-linelength
-// compile-flags:-Zprint-trans-items=lazy -Zincremental=tmp
+// We specify -Z incremental here because we want to test the partitioning for
+// incremental compilation
+// compile-flags:-Zprint-trans-items=lazy -Zincremental=tmp/partitioning-tests/local-inlining
 
 #![allow(dead_code)]
 #![crate_type="lib"]

src/test/codegen-units/partitioning/local-transitive-inlining.rs

@@ -9,7 +9,9 @@
 // except according to those terms.
 
 // ignore-tidy-linelength
-// compile-flags:-Zprint-trans-items=lazy -Zincremental=tmp
+// We specify -Z incremental here because we want to test the partitioning for
+// incremental compilation
+// compile-flags:-Zprint-trans-items=lazy -Zincremental=tmp/partitioning-tests/local-transitive-inlining
 
 #![allow(dead_code)]
 #![crate_type="lib"]

src/test/codegen-units/partitioning/methods-are-with-self-type.rs

@@ -9,7 +9,9 @@
 // except according to those terms.
 
 // ignore-tidy-linelength
-// compile-flags:-Zprint-trans-items=lazy -Zincremental=tmp
+// We specify -Z incremental here because we want to test the partitioning for
+// incremental compilation
+// compile-flags:-Zprint-trans-items=lazy -Zincremental=tmp/partitioning-tests/methods-are-with-self-type
 
 #![allow(dead_code)]
 

src/test/codegen-units/partitioning/regular-modules.rs

@@ -9,7 +9,9 @@
 // except according to those terms.
 
 // ignore-tidy-linelength
-// compile-flags:-Zprint-trans-items=eager -Z incremental=tmp
+// We specify -Z incremental here because we want to test the partitioning for
+// incremental compilation
+// compile-flags:-Zprint-trans-items=eager -Zincremental=tmp/partitioning-tests/regular-modules
 
 #![allow(dead_code)]
 #![crate_type="lib"]

src/test/codegen-units/partitioning/statics.rs

@@ -9,7 +9,9 @@
 // except according to those terms.
 
 // ignore-tidy-linelength
-// compile-flags:-Zprint-trans-items=lazy -Zincremental=tmp
+// We specify -Z incremental here because we want to test the partitioning for
+// incremental compilation
+// compile-flags:-Zprint-trans-items=lazy -Zincremental=tmp/partitioning-tests/statics
 
 #![crate_type="lib"]