[clang][bytecode] Add a C test case

[tbaederr]

The original problem does not reproduce anymore, but add the test case.

Fixes #163563

[llvmbot]

@llvm/pr-subscribers-clang

Author: Timm Baeder (tbaederr)

Changes

The original problem does not reproduce anymore, but add the test case.

Fixes #163563

---

Full diff: https://github.com/llvm/llvm-project/pull/167484.diff

1 Files Affected:

• (modified) clang/test/AST/ByteCode/c.c (+5)

diff --git a/clang/test/AST/ByteCode/c.c b/clang/test/AST/ByteCode/c.c
index 3360d4f725b24..bffd557ff77a6 100644
--- a/clang/test/AST/ByteCode/c.c
+++ b/clang/test/AST/ByteCode/c.c
@@ -387,3 +387,8 @@ void bar2(void) {
   int a[2][3][4][5]; // all-note {{array 'a' declared here}}
   foo2(&a[0][4]); // all-warning {{array index 4 is past the end of the array}}
 }
+
+void plainComplex(void) {
+  _Complex cd; // all-warning {{_Complex double}}
+  cd = *(_Complex *)&(struct { double r, i; }){0.0, 0.0}; // all-warning {{_Complex double}}
+}