re PR middle-end/77842 (genmatch segfault on a missing brace)

2016-10-05  Richard Biener  <rguenther@suse.de>

	PR middle-end/77842
	* genmatch.c (parser::parse_c_expr): Handle premature EOF.

From-SVN: r240774

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 34efb7c54282adca9bc12eefe3e156aa87cd089d..b8976e3bfa6a411aef05bd9b509a778d80bd61af 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2016-10-05  Richard Biener  <rguenther@suse.de>
+
+       PR middle-end/77842
+       * genmatch.c (parser::parse_c_expr): Handle premature EOF.
+
 2016-10-05  Pierre-Marie de Rodat  <derodat@adacore.com>
 
        * dwarf2out.c (dwarf2out_imported_module_or_decl): Move DWARF

diff --git a/gcc/genmatch.c b/gcc/genmatch.c
index aa291ec30134450aad450097a97561f54c1501eb..c3f128cd26ef425b908a681e29762921908dceda 100644 (file)
--- a/gcc/genmatch.c
+++ b/gcc/genmatch.c
@@ -4124,6 +4124,8 @@ parser::parse_c_expr (cpp_ttype start)
       else if (token->type == end
               && --opencnt == 0)
        break;
+      else if (token->type == CPP_EOF)
+       fatal_at (token, "unexpected end of file");
 
       /* This is a lame way of counting the number of statements.  */
       if (token->type == CPP_SEMICOLON)