[clang][bytecode] Add a C test case (#167484)

tbaederr · web-flow · commit c3c4a886b5a6 · 2025-11-11T11:28:59.000+01:00
The original problem does not reproduce anymore, but add the test case. Fixes #163563
diff --git 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}}
+}

Original file line number	Diff line number	Diff line change
`@@ -387,3 +387,8 @@ void bar2(void) {`
`387`	`387`	`int a[2][3][4][5]; // all-note {{array 'a' declared here}}`
`388`	`388`	`foo2(&a[0][4]); // all-warning {{array index 4 is past the end of the array}}`
`389`	`389`	`}`
	`390`	`+`
	`391`	`+void plainComplex(void) {`
	`392`	`+ _Complex cd; // all-warning {{_Complex double}}`
	`393`	`+ cd = (_Complex )&(struct { double r, i; }){0.0, 0.0}; // all-warning {{_Complex double}}`
	`394`	`+}`