diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 9b40d7674773..9e0e4bffc9d3 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2007-08-07  Andreas Schwab  <schwab@suse.de>
+
+	PR bootstrap/32973
+	* gengtype-lex.l: Ignore backslash/newline pair while scanning a
+	struct definition.
+
 2007-08-07  Andreas Krebbel  <krebbel1@de.ibm.com>
 
 	* lower-subreg.c (resolve_subreg_use): Remove assertion.
diff --git a/gcc/gengtype-lex.l b/gcc/gengtype-lex.l
index 9ebe0ccf8801..8cec71b30ff0 100644
--- a/gcc/gengtype-lex.l
+++ b/gcc/gengtype-lex.l
@@ -104,6 +104,7 @@ EOID	[^[:alnum:]_]
 "/*"				{ BEGIN(in_struct_comment); }
 
 {WS}				{ update_lineno (yytext, yyleng); }
+\\\n				{ lexer_line.line++; }
 
 "const"/{EOID}			/* don't care */
 "GTY"/{EOID}			{ return GTY_TOKEN; }