[C PATCH] Fix asm parsing error recovery (PR c/37772)

[Joseph S. Myers]

On Wed, 1 Apr 2009, Jakub Jelinek wrote:

> Hi!
> 
> When asm ( isn't followed by a string literal (nor a wide string),
> the C parser crashes when trying to build_asm_expr with NULL str.  The C++
> FE handles this gracefully.
> 
> Fixed thusly, bootstrapped/regtested on x86_64-linux, ok for trunk/4.4?
> 
> 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
> 
> 	PR c/37772
> 	* c-parser.c (c_parser_asm_statement): Skip until close paren and
> 	return if c_parser_asm_string_literal returned NULL.
> 
> 	* gcc.dg/pr37772.c: New test.

OK (I can't approve the C++ testcase).

> 	* g++.dg/ext/asm11.C: New test.

-- 
Joseph S. Myers
joseph@codesourcery.com