[cfe-commits] r54033 - in /cfe/trunk: lib/AST/Expr.cpp test/Sema/exprs.c

[Chris Lattner]

Author: lattner
Date: Fri Jul 25 13:07:19 2008
New Revision: 54033

URL: http://llvm.org/viewvc/llvm-project?rev=54033&view=rev
Log:
Add support for __extension__ as an lvalue.  rdar://6097308


Modified:
    cfe/trunk/lib/AST/Expr.cpp
    cfe/trunk/test/Sema/exprs.c

Modified: cfe/trunk/lib/AST/Expr.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/AST/Expr.cpp?rev=54033&r1=54032&r2=54033&view=diff

==============================================================================
--- cfe/trunk/lib/AST/Expr.cpp (original)
+++ cfe/trunk/lib/AST/Expr.cpp Fri Jul 25 13:07:19 2008
@@ -415,7 +415,8 @@
       return LV_Valid; // C99 6.5.3p4
 
     if (cast<UnaryOperator>(this)->getOpcode() == UnaryOperator::Real ||
-        cast<UnaryOperator>(this)->getOpcode() == UnaryOperator::Imag)
+        cast<UnaryOperator>(this)->getOpcode() == UnaryOperator::Imag ||
+        cast<UnaryOperator>(this)->getOpcode() == UnaryOperator::Extension)
       return cast<UnaryOperator>(this)->getSubExpr()->isLvalue();  // GNU.
     break;
   case ParenExprClass: // C99 6.5.1p5

Modified: cfe/trunk/test/Sema/exprs.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Sema/exprs.c?rev=54033&r1=54032&r2=54033&view=diff

==============================================================================
--- cfe/trunk/test/Sema/exprs.c (original)
+++ cfe/trunk/test/Sema/exprs.c Fri Jul 25 13:07:19 2008
@@ -9,3 +9,9 @@
   return 1.0if;    // expected-warning {{imaginary constants are an extension}}
 }
 
+// rdar://6097308
+void test3() {
+  int x;
+  (__extension__ x) = 10;
+}
+