From 84000aa820de2d00571f7e8fde5d3973e2fdc441 Mon Sep 17 00:00:00 2001
From: Veikka Tuominen <git@vexu.eu>
Date: Sun, 5 Jun 2022 20:36:56 +0300
Subject: [PATCH] Sema: fix inline call of func using ret_ptr with comptime
 only type

---
 src/Sema.zig            |  2 +-
 test/behavior/basic.zig | 12 ++++++++++++
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/src/Sema.zig b/src/Sema.zig
index 015b50ce4b..5d70ba3a7f 100644
--- a/src/Sema.zig
+++ b/src/Sema.zig
@@ -2526,7 +2526,7 @@ fn zirRetPtr(sema: *Sema, block: *Block, inst: Zir.Inst.Index) CompileError!Air.
     const src: LazySrcLoc = .{ .node_offset = inst_data };
     try sema.requireFunctionBlock(block, src);
 
-    if (block.is_comptime) {
+    if (block.is_comptime or try sema.typeRequiresComptime(block, src, sema.fn_ret_ty)) {
         const fn_ret_ty = try sema.resolveTypeFields(block, src, sema.fn_ret_ty);
         return sema.analyzeComptimeAlloc(block, fn_ret_ty, 0, src);
     }
diff --git a/test/behavior/basic.zig b/test/behavior/basic.zig
index dc0e5aaf30..a69df862c1 100644
--- a/test/behavior/basic.zig
+++ b/test/behavior/basic.zig
@@ -1074,3 +1074,15 @@ test "switch inside @as gets correct type" {
         else => 0,
     });
 }
+
+test "inline call of function with a switch inside the return statement" {
+    const S = struct {
+        inline fn foo(x: anytype) @TypeOf(x) {
+            return switch (x) {
+                1 => 1,
+                else => unreachable,
+            };
+        }
+    };
+    try expect(S.foo(1) == 1);
+}