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authorjakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4>2007-04-03 09:08:00 +0000
committerjakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4>2007-04-03 09:08:00 +0000
commit76008ac42aa83a8051d9cf9d9e2106099aec90df (patch)
tree2278f06f550aeb7aeabbae2ccf061eabc975882e /gcc/testsuite/g++.dg/parse
parentf83924bb910b9eb3c5c313de0cfdf8ba042cb291 (diff)
downloadgcc-76008ac42aa83a8051d9cf9d9e2106099aec90df.tar.gz
PR c++/30847
* typeck.c (build_modify_expr): For COND_EXPR on LHS, if RHS has void type issue error and return early. * g++.dg/parse/cond3.C: New test. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@123456 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/testsuite/g++.dg/parse')
-rw-r--r--gcc/testsuite/g++.dg/parse/cond3.C15
1 files changed, 15 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/parse/cond3.C b/gcc/testsuite/g++.dg/parse/cond3.C
new file mode 100644
index 00000000000..96d9c1e3b5f
--- /dev/null
+++ b/gcc/testsuite/g++.dg/parse/cond3.C
@@ -0,0 +1,15 @@
+// PR c++/30847
+// { dg-do compile }
+// { dg-options "" }
+
+int j, k, l;
+extern void baz ();
+
+void
+foo (int i)
+{
+ (i ? j : k) = ({ l++; (void) l; }); // { dg-error "void value not ignored" }
+ (i ? j : k) += ({ l++; (void) l; }); // { dg-error "void value not ignored" }
+ (i ? j : k) = baz (); // { dg-error "void value not ignored" }
+ (i ? j : k) *= baz (); // { dg-error "void value not ignored" }
+}