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<rdar://problem/11149427> 

Line tables when using DWARF in .o files can be wrong when two entries get moved around by the compiler. This was due to incorrect logic in the line entry comparison operator.

llvm-svn: 153685
This commit is contained in:
Greg Clayton 2012-03-29 20:50:37 +00:00
parent cca02750c8
commit 322654a7f7
1 changed files with 2 additions and 2 deletions
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4
lldb/source/Symbol/LineTable.cpp
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@ -119,6 +119,8 @@ LineTable::Entry::LessThanBinaryPredicate::operator() (const LineTable::Entry& a
{
#define LT_COMPARE(a,b) if (a != b) return a < b
LT_COMPARE (a.sect_offset, b.sect_offset);
// b and a reversed on purpose below.
LT_COMPARE (b.is_terminal_entry, a.is_terminal_entry);
LT_COMPARE (a.line, b.line);
LT_COMPARE (a.column, b.column);
LT_COMPARE (a.is_start_of_statement, b.is_start_of_statement);
@ -126,8 +128,6 @@ LineTable::Entry::LessThanBinaryPredicate::operator() (const LineTable::Entry& a
// b and a reversed on purpose below.
LT_COMPARE (b.is_prologue_end, a.is_prologue_end);
LT_COMPARE (a.is_epilogue_begin, b.is_epilogue_begin);
// b and a reversed on purpose below.
LT_COMPARE (b.is_terminal_entry, a.is_terminal_entry);
LT_COMPARE (a.file_idx, b.file_idx);
return false;
#undef LT_COMPARE