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update comment in dw2-bad-cfi.S. 

Pedro asked me to add a comment to dw2-bad-cfi.S explaining the nature
of the badness.

I'm checking this in.

2013-11-22  Tom Tromey  <tromey@redhat.com>

	* gdb.dwarf2/dw2-bad-cfi.S: Update comment.
This commit is contained in:
Tom Tromey 2013-11-22 12:08:15 -07:00
parent da2b2fdf57
commit f57e61cdf6
2 changed files with 6 additions and 1 deletions
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4
gdb/testsuite/ChangeLog
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@ -1,3 +1,7 @@
2013-11-22 Tom Tromey <tromey@redhat.com>
* gdb.dwarf2/dw2-bad-cfi.S: Update comment.
2013-11-22 Tom Tromey <tromey@redhat.com>
* gdb.dwarf2/dw2-bad-cfi.c: New file.

3
gdb/testsuite/gdb.dwarf2/dw2-bad-cfi.S
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@ -26,7 +26,8 @@ callee:
.loc 1 21 0
popq %rbp
/* .cfi_def_cfa 7, 8 */
# Our little lies.
/* The bug we introduce is that the return address column is
unspecified. In this case, there is no way to unwind. */
.cfi_undefined 6
.cfi_return_column 6
# SUCC: EXIT [100.0%]