Preserve deleted function's local variables' debug info.

Radar 8122864.

llvm-svn: 107027

1 files changed, 14 insertions, 0 deletions

diff --git a/llvm/test/FrontendC/2010-06-28-DbgLocalVar.c b/llvm/test/FrontendC/2010-06-28-DbgLocalVar.c
new file mode 100644
index 00000000000..e5df8856c0d
--- /dev/null
+++ b/llvm/test/FrontendC/2010-06-28-DbgLocalVar.c
@@ -0,0 +1,14 @@
+// RUN: %llvmgcc -S -O2 -g %s -o - | llc -O2 -o %t.s 
+// RUN: grep DW_TAG_structure_type %t.s | count 2
+// Radar 8122864
+
+// Code is not generated for function foo, but preserve type information of
+// local variable xyz.
+static foo() {
+  struct X { int a; int b; } xyz;
+}
+
+int bar() {
+  foo();
+  return 1;
+}