stage1: Add missing bitcast when rendering var ptr

Some types require this extra bitcast, eg. structs or unions with extra
padding fields inserted by the compiler.

Fixes #7250

2 files changed, 16 insertions, 0 deletions

diff --git a/test/stage1/behavior.zig b/test/stage1/behavior.zig
index 662a7383b3..db6e596291 100644
--- a/test/stage1/behavior.zig
+++ b/test/stage1/behavior.zig
@@ -60,6 +60,7 @@ comptime {
     _ = @import("behavior/bugs/7027.zig");
     _ = @import("behavior/bugs/7047.zig");
     _ = @import("behavior/bugs/7003.zig");
+    _ = @import("behavior/bugs/7250.zig");
     _ = @import("behavior/bugs/394.zig");
     _ = @import("behavior/bugs/421.zig");
     _ = @import("behavior/bugs/529.zig");
diff --git a/test/stage1/behavior/bugs/7250.zig b/test/stage1/behavior/bugs/7250.zig
new file mode 100644
index 0000000000..b0f1aa15df
--- /dev/null
+++ b/test/stage1/behavior/bugs/7250.zig
@@ -0,0 +1,15 @@
+const nrfx_uart_t = extern struct {
+    p_reg: [*c]u32,
+    drv_inst_idx: u8,
+};
+
+pub fn nrfx_uart_rx(p_instance: [*c]const nrfx_uart_t) void {}
+
+threadlocal var g_uart0 = nrfx_uart_t{
+    .p_reg = 0,
+    .drv_inst_idx = 0,
+};
+
+test "reference a global threadlocal variable" {
+    _ = nrfx_uart_rx(&g_uart0);
+}