diff --git a/clang/docs/UsersManual.html b/clang/docs/UsersManual.html
index 07015c8f19d9..2356b0314678 100644
--- a/clang/docs/UsersManual.html
+++ b/clang/docs/UsersManual.html
@@ -49,6 +49,7 @@ td {
Precompiled Headers
Controlling Code Generation
+ Controlling Size of Debug Information
C Language Features
@@ -857,6 +858,29 @@ useful for environments (e.g. deeply embedded) where a trap cannot be properly
handled, or when some custom behavior is desired.
+
+Controlling Size of Debug Information
+
+
+Debug info kind generated by Clang can be set by one of the flags listed
+below. If multiple flags are present, the last one is used.
+
+
+
+- -g0: Don't generate any debug info (default).
+
+
- -gline-tables-only:
+Generate line number tables only.
+
-
+This kind of debug info allows to obtain stack traces with function
+names, file names and line numbers (by such tools as
+gdb or addr2line). It doesn't contain any other data (e.g.
+description of local variables or function parameters).
+
+
+- -g: Generate complete debug info.
+
+
C Language Features