Fix sema support for the gnu ?: expression with a

missing middle expression, and fix a codegen bug where
we didn't correctly promote the condition to the right 
result type.  This fixes PR1824.

llvm-svn: 44322

1 files changed, 6 insertions, 0 deletions

diff --git a/clang/test/CodeGen/conditional-gnu-ext.c b/clang/test/CodeGen/conditional-gnu-ext.c
new file mode 100644
index 00000000000..5b2eb3f3d5e
--- /dev/null
+++ b/clang/test/CodeGen/conditional-gnu-ext.c
@@ -0,0 +1,6 @@
+// RUN: clang -emit-llvm %s
+// PR1824
+
+int foo(int x, short y) {
+  return x ?: y;
+}