Add a new option for and disable column number information as there
are no known current users of column info. Robustify and fix up
a few tests in the process. Reduces the size of debug information
by a small amount.
Part of PR14106
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@166236 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/clang/Driver/CC1Options.td b/include/clang/Driver/CC1Options.td
index d65bf20..32b7a5e 100644
--- a/include/clang/Driver/CC1Options.td
+++ b/include/clang/Driver/CC1Options.td
@@ -143,6 +143,8 @@
HelpText<"The compilation directory to embed in the debug info.">;
def dwarf_debug_flags : Separate<"-dwarf-debug-flags">,
HelpText<"The string to embed in the Dwarf debug flags record.">;
+def dwarf_column_info : Flag<"-dwarf-column-info">,
+ HelpText<"Turn on column location information.">;
def fforbid_guard_variables : Flag<"-fforbid-guard-variables">,
HelpText<"Emit an error if a C++ static local initializer would need a guard variable">;
def no_implicit_float : Flag<"-no-implicit-float">,