[SCM] users/jkratoch/indexcxx-debugnames: dwarf.c: In function ‘display_debug_names’: dwarf.c:7856:44: error: ‘second_abbrev_tag’ may be used uninitialized in this function [-Werror=maybe-uninitialized] - Victor Leschuk

[jkratoch@sourceware.org]

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       via  387034081e3b27b4cdf4692c1c731198fd0c6168 (commit)
      from  08dc6ceb26465eec9b4ac66bb4689434017bd78a (commit)

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- Log -----------------------------------------------------------------
commit 387034081e3b27b4cdf4692c1c731198fd0c6168
Author: Jan Kratochvil <jan.kratochvil@redhat.com>
Date:   Mon Feb 27 18:05:56 2017 +0100

    dwarf.c: In function ‘display_debug_names’:
    dwarf.c:7856:44: error: ‘second_abbrev_tag’ may be used uninitialized in this function [-Werror=maybe-uninitialized]
     - Victor Leschuk

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

Summary of changes:
 binutils/dwarf.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

First 500 lines of diff:
diff --git a/binutils/dwarf.c b/binutils/dwarf.c
index 21000c2..a63227a 100644
--- a/binutils/dwarf.c
+++ b/binutils/dwarf.c
@@ -7835,7 +7835,8 @@ display_debug_names (struct dwarf_section *section, void *file)
 	  // initial tag read of the second entry, then it becomes 0 for the
 	  // first entry for real printing etc.
 	  int tagno = -2;
-	  dwarf_vma second_abbrev_tag;
+	  /* Initialize it due to a false compiler warning.  */
+	  dwarf_vma second_abbrev_tag = -1;
 	  for (;;)
 	    {
 	      unsigned int bytes_read;


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