gdb: remove subfile::buildsym_compunit field

It is only set, never used.

Change-Id: Ia46ed2f9da243b0ccfc4588c1b57be2a0f3939de

diff --git a/gdb/buildsym.c b/gdb/buildsym.c
index 4718b201f0368aeed22adfd1cae195d5efeb2708..9a9d3cf74d9b5286fd50c6df7143d172d414c22e 100644 (file)
--- a/gdb/buildsym.c
+++ b/gdb/buildsym.c
@@ -539,7 +539,6 @@ buildsym_compunit::start_subfile (const char *name)
 
   subfile = XNEW (struct subfile);
   memset (subfile, 0, sizeof (struct subfile));
-  subfile->buildsym_compunit = this;
 
   subfile->next = m_subfiles;
   m_subfiles = subfile;

diff --git a/gdb/buildsym.h b/gdb/buildsym.h
index 4e9aaa41426be8594ad9255345bdb1070bac1e62..5f0e0230fd9fa982c1ab32a2abdd6757941a11de 100644 (file)
--- a/gdb/buildsym.h
+++ b/gdb/buildsym.h
@@ -51,8 +51,6 @@ struct subfile
   /* Space for this is malloc'd.  */
   struct linetable *line_vector;
   int line_vector_length;
-  /* The "containing" compunit.  */
-  struct buildsym_compunit *buildsym_compunit;
   enum language language;
   struct symtab *symtab;
 };