c-simplify.c (simplify_switch_stmt): A SWITCH_EXPR also gets the source location of its first line.

        * c-simplify.c (simplify_switch_stmt): A SWITCH_EXPR also gets the
        source location of its first line.

From-SVN: r67188

gcc/testsuite/g++.dg/warn/Wswitch-1.C

@@ -20,16 +20,16 @@ foo (int i, int j, enum e ei, enum e ej, enum e ek, enum e el,
     default: break;
     }
   switch (ei)
-    { /* { dg-warning "enumeration value `e1' not handled in switch" "enum e1" { target *-*-* } 24 } */
-    } /* { dg-warning "enumeration value `e2' not handled in switch" "enum e2" } */
+    { /* { dg-warning "enumeration value `e1' not handled in switch" "enum e1" } */
+    } /* { dg-warning "enumeration value `e2' not handled in switch" "enum e2" { target *-*-* } 23 } */
   switch (ej)
     {
     default: break;
     }
-  switch (ek)
+  switch (ek) /* { dg-warning "enumeration value `e2' not handled in switch" "enum e2" } */
     {
     case e1: return 1;
-    } /* { dg-warning "enumeration value `e2' not handled in switch" "enum e2" } */
+    }
   switch (el)
     {
     case e1: return 1;
@@ -46,12 +46,12 @@ foo (int i, int j, enum e ei, enum e ej, enum e ek, enum e el,
     case e2: return 2;
     default: break;
     }
-  switch (eo)
+  switch (eo) /* { dg-warning "case value `3' not in enumerated type `e'" "excess 3" } */
     {
     case e1: return 1;
     case e2: return 2;
     case 3: return 3;
-    } /* { dg-warning "case value `3' not in enumerated type `e'" "excess 3" } */
+    }
   switch (ep)
     {
     case e1: return 1;

gcc/testsuite/g++.dg/warn/Wswitch-2.C

@@ -13,19 +13,19 @@ foo (enum e ei, int j)
     case e3: return 2;
     case e4: return 3;
     }	/* No warning here since e2 has the same value as e3.  */
-  switch (ei)
+  switch (ei) /* { dg-warning "enumeration value `e4' not handled in switch" "enum e4" } */
     {
     case e1: return 1;
     case e2: return 2;
-    }	/* { dg-warning "enumeration value `e4' not handled in switch" "enum e4" } */
+    }
   switch ((int) ei)
     {
     case e1: return 1;
     }	/* No warning here since switch condition was cast to int.  */
-  switch ((enum e) j)
+  switch ((enum e) j) /* { dg-warning "enumeration value `e1' not handled in switch" "enum e1" } */
     {
     case e2: return 1;
     case e4: return 2;
-    }	/* { dg-warning "enumeration value `e1' not handled in switch" "enum e1" } */
+    }
   return 0;
 }