gdb/gdb-gcc46-stdarg-prologue.patch

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diff --git a/gdb/dwarf2read.c b/gdb/dwarf2read.c
index 6a98d57..9fa9c3c 100644
--- a/gdb/dwarf2read.c
+++ b/gdb/dwarf2read.c
@@ -10371,6 +10371,9 @@ dwarf_decode_lines (struct line_header *lh, const char *comp_dir, bfd *abfd,
if (op_code >= lh->opcode_base)
{
+ CORE_ADDR saved_address = address;
+ unsigned int saved_line = line;
+
/* Special operand. */
adj_opcode = op_code - lh->opcode_base;
address += (((op_index + (adj_opcode / lh->line_range))
@@ -10383,7 +10386,8 @@ dwarf_decode_lines (struct line_header *lh, const char *comp_dir, bfd *abfd,
dwarf2_debug_line_missing_file_complaint ();
/* For now we ignore lines not starting on an
instruction boundary. */
- else if (op_index == 0)
+ else if (op_index == 0
+ && (address != saved_address || line != saved_line))
{
lh->file_names[file - 1].included_p = 1;
if (!decode_for_pst_p && is_stmt)