[SCM] archer-tromey-dwz-multifile: make dw2_get_file_names_reader return NULL for partial units

[tromey@sourceware.org]

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       via  8f2ff358c8b1bc73ec13dc7c5347314f376d254e (commit)
      from  a4d8176f0794a51f6cd53aeccdd7f4a79d7f50b8 (commit)

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- Log -----------------------------------------------------------------
commit 8f2ff358c8b1bc73ec13dc7c5347314f376d254e
Author: Tom Tromey <tromey@redhat.com>
Date:   Thu Jun 7 13:49:38 2012 -0600

    make dw2_get_file_names_reader return NULL for partial units

-----------------------------------------------------------------------

Summary of changes:
 gdb/dwarf2read.c |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)

First 500 lines of diff:
diff --git a/gdb/dwarf2read.c b/gdb/dwarf2read.c
index d8dfbd3..407fe9c 100644
--- a/gdb/dwarf2read.c
+++ b/gdb/dwarf2read.c
@@ -2534,6 +2534,14 @@ dw2_get_file_names_reader (const struct die_reader_specs *reader,
   struct quick_file_names *qfn;
   unsigned int line_offset;
 
+  /* Our callers never want to match partial units -- instead they
+     will match the enclosing full CU.  */
+  if (comp_unit_die->tag == DW_TAG_partial_unit)
+    {
+      this_cu->v.quick->no_file_data = 1;
+      return;
+    }
+
   lh = NULL;
   slot = NULL;
   line_offset = 0;


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