gcov: Update comments.

gcc/ChangeLog:

	* gcov.c (output_json_intermediate_file): Update comments.

diff --git a/gcc/gcov.c b/gcc/gcov.c
index 36938bd0fcea12d87de5d315b3bc19fa6ef4cf6f..daa1266db86d5fb61d8aaecadef2ab0ea53cafdc 100644 (file)
--- a/gcc/gcov.c
+++ b/gcc/gcov.c
@@ -293,7 +293,7 @@ public:
   /* Index of source file where the function is defined.  */
   unsigned src;
 
-  /* Vector of line information.  */
+  /* Vector of line information (used only for group functions).  */
   vector<line_info> lines;
 
   /* Next function.  */
@@ -1172,7 +1172,7 @@ output_json_intermediate_file (json::array *json_files, source_info *src)
       vector<function_info *> *fns = src->get_functions_at_location (line_num);
 
       if (fns != NULL)
-       /* Print first group functions that begin on the line.  */
+       /* Print info for all group functions that begin on the line.  */
        for (vector<function_info *>::iterator it2 = fns->begin ();
             it2 != fns->end (); it2++)
          {
@@ -1180,6 +1180,7 @@ output_json_intermediate_file (json::array *json_files, source_info *src)
              last_non_group_fn = *it2;
 
            vector<line_info> &lines = (*it2)->lines;
+           /* The LINES array is allocated only for group functions.  */
            for (unsigned i = 0; i < lines.size (); i++)
              {
                line_info *line = &lines[i];