diff options
Diffstat (limited to 'gcc/cp/semantics.c')
| -rw-r--r-- | gcc/cp/semantics.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/gcc/cp/semantics.c b/gcc/cp/semantics.c index 41d2be9..5b8906e 100644 --- a/gcc/cp/semantics.c +++ b/gcc/cp/semantics.c @@ -3,7 +3,7 @@ building RTL. These routines are used both during actual parsing and during the instantiation of template functions. - Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005 + Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc. Written by Mark Mitchell (mmitchell@usa.net) based on code found formerly in parse.y and pt.c. @@ -587,6 +587,16 @@ maybe_convert_cond (tree cond) /* Do the conversion. */ cond = convert_from_reference (cond); + + if (TREE_CODE (cond) == MODIFY_EXPR + && !TREE_NO_WARNING (cond) + && warn_parentheses) + { + warning (OPT_Wparentheses, + "suggest parentheses around assignment used as truth value"); + TREE_NO_WARNING (cond) = 1; + } + return condition_conversion (cond); } |