Switch the diagnostic messages about macros to use the terms 'expanded'
and 'expansions' rather than 'instantiated' and 'contexts'.

This is the first of several patches migrating Clang's terminology
surrounding macros from 'instantiation' to 'expansion'.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135135 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Misc/caret-diags-macros.c b/test/Misc/caret-diags-macros.c
index 66d16a2..ac83ecc 100644
--- a/test/Misc/caret-diags-macros.c
+++ b/test/Misc/caret-diags-macros.c
@@ -6,8 +6,8 @@
   M1(
     M2);
   // CHECK: :7:{{[0-9]+}}: warning: expression result unused
-  // CHECK: :4:{{[0-9]+}}: note: instantiated from:
-  // CHECK: :3:{{[0-9]+}}: note: instantiated from:
+  // CHECK: :4:{{[0-9]+}}: note: expanded from:
+  // CHECK: :3:{{[0-9]+}}: note: expanded from:
 }
 
 #define A 1
@@ -16,9 +16,9 @@
 void bar() {
   C;
   // CHECK: :17:3: warning: expression result unused
-  // CHECK: :15:11: note: instantiated from:
-  // CHECK: :14:11: note: instantiated from:
-  // CHECK: :13:11: note: instantiated from:
+  // CHECK: :15:11: note: expanded from:
+  // CHECK: :14:11: note: expanded from:
+  // CHECK: :13:11: note: expanded from:
 }
 
 // rdar://7597492
@@ -46,28 +46,28 @@
   // its easy to FileCheck.
   // CHECK-NEXT: macro_args3(1);
   // CHECK-NEXT: ~~~~~~~~~~~~^~
-  // CHECK: {{.*}}:36:36: note: instantiated from:
-  // CHECK: {{.*}}:35:36: note: instantiated from:
-  // CHECK: {{.*}}:34:24: note: instantiated from:
+  // CHECK: {{.*}}:36:36: note: expanded from:
+  // CHECK: {{.*}}:35:36: note: expanded from:
+  // CHECK: {{.*}}:34:24: note: expanded from:
 
   macro_many_args3(
     1,
     2,
     3);
   // CHECK: {{.*}}:55:5: warning: expression result unused
-  // CHECK: {{.*}}:40:55: note: instantiated from:
-  // CHECK: {{.*}}:39:55: note: instantiated from:
-  // CHECK: {{.*}}:38:35: note: instantiated from:
+  // CHECK: {{.*}}:40:55: note: expanded from:
+  // CHECK: {{.*}}:39:55: note: expanded from:
+  // CHECK: {{.*}}:38:35: note: expanded from:
 
   macro_many_args3(
     1,
     M2,
     3);
   // CHECK: {{.*}}:64:5: warning: expression result unused
-  // CHECK: {{.*}}:4:12: note: instantiated from:
-  // CHECK: {{.*}}:40:55: note: instantiated from:
-  // CHECK: {{.*}}:39:55: note: instantiated from:
-  // CHECK: {{.*}}:38:35: note: instantiated from:
+  // CHECK: {{.*}}:4:12: note: expanded from:
+  // CHECK: {{.*}}:40:55: note: expanded from:
+  // CHECK: {{.*}}:39:55: note: expanded from:
+  // CHECK: {{.*}}:38:35: note: expanded from:
 
   macro_many_args3(
     1,
@@ -78,11 +78,11 @@
   // arguments.
   // CHECK-NEXT: macro_args2(2),
   // CHECK-NEXT: ~~~~~~~~~~~~^~~
-  // CHECK: {{.*}}:35:36: note: instantiated from:
-  // CHECK: {{.*}}:34:24: note: instantiated from:
-  // CHECK: {{.*}}:40:55: note: instantiated from:
-  // CHECK: {{.*}}:39:55: note: instantiated from:
-  // CHECK: {{.*}}:38:35: note: instantiated from:
+  // CHECK: {{.*}}:35:36: note: expanded from:
+  // CHECK: {{.*}}:34:24: note: expanded from:
+  // CHECK: {{.*}}:40:55: note: expanded from:
+  // CHECK: {{.*}}:39:55: note: expanded from:
+  // CHECK: {{.*}}:38:35: note: expanded from:
 }
 
 #define variadic_args1(x, y, ...) y
@@ -94,9 +94,9 @@
   // CHECK: {{.*}}:93:21: warning: expression result unused
   // CHECK-NEXT: variadic_args3(1, 2, 3, 4);
   // CHECK-NEXT: ~~~~~~~~~~~~~~~~~~^~~~~~~~
-  // CHECK: {{.*}}:90:53: note: instantiated from:
-  // CHECK: {{.*}}:89:50: note: instantiated from:
-  // CHECK: {{.*}}:88:35: note: instantiated from:
+  // CHECK: {{.*}}:90:53: note: expanded from:
+  // CHECK: {{.*}}:89:50: note: expanded from:
+  // CHECK: {{.*}}:88:35: note: expanded from:
 }
 
 #define variadic_pasting_args1(x, y, z) y
@@ -108,16 +108,16 @@
 void test3() {
   variadic_pasting_args3(1, 2, 3, 4);
   // CHECK: {{.*}}:109:32: warning: expression result unused
-  // CHECK: {{.*}}:105:72: note: instantiated from:
-  // CHECK: {{.*}}:103:68: note: instantiated from:
-  // CHECK: {{.*}}:102:41: note: instantiated from:
+  // CHECK: {{.*}}:105:72: note: expanded from:
+  // CHECK: {{.*}}:103:68: note: expanded from:
+  // CHECK: {{.*}}:102:41: note: expanded from:
 
   variadic_pasting_args3a(1, 2, 3, 4);
   // FIXME: It'd be really nice to retain the start location of the first token
   // involved in the token paste instead of falling back on the full macro
   // location in the first two locations here.
   // CHECK: {{.*}}:115:3: warning: expression result unused
-  // CHECK: {{.*}}:106:44: note: instantiated from:
-  // CHECK: {{.*}}:104:72: note: instantiated from:
-  // CHECK: {{.*}}:102:41: note: instantiated from:
+  // CHECK: {{.*}}:106:44: note: expanded from:
+  // CHECK: {{.*}}:104:72: note: expanded from:
+  // CHECK: {{.*}}:102:41: note: expanded from:
 }