diff --git a/src/arch/x86_64/CodeGen.zig b/src/arch/x86_64/CodeGen.zig
index 4aa2443295..e4f28e34cf 100644
--- a/src/arch/x86_64/CodeGen.zig
+++ b/src/arch/x86_64/CodeGen.zig
@@ -7378,11 +7378,15 @@ fn airCall(self: *Self, inst: Air.Inst.Index, modifier: std.builtin.CallModifier
     // on linking.
     const mod = self.bin_file.options.module.?;
     if (self.air.value(callee)) |func_value| {
-        if (func_value.castTag(.function)) |func_payload| {
-            const func = func_payload.data;
-
+        if (if (func_value.castTag(.function)) |func_payload|
+            func_payload.data.owner_decl
+        else if (func_value.castTag(.decl_ref)) |decl_ref_payload|
+            decl_ref_payload.data
+        else
+            null) |owner_decl|
+        {
             if (self.bin_file.cast(link.File.Elf)) |elf_file| {
-                const atom_index = try elf_file.getOrCreateAtomForDecl(func.owner_decl);
+                const atom_index = try elf_file.getOrCreateAtomForDecl(owner_decl);
                 const atom = elf_file.getAtom(atom_index);
                 _ = try atom.getOrCreateOffsetTableEntry(elf_file);
                 const got_addr = atom.getOffsetTableAddress(elf_file);
@@ -7391,17 +7395,17 @@ fn airCall(self: *Self, inst: Air.Inst.Index, modifier: std.builtin.CallModifier
                     .disp = @intCast(i32, got_addr),
                 }));
             } else if (self.bin_file.cast(link.File.Coff)) |coff_file| {
-                const atom = try coff_file.getOrCreateAtomForDecl(func.owner_decl);
+                const atom = try coff_file.getOrCreateAtomForDecl(owner_decl);
                 const sym_index = coff_file.getAtom(atom).getSymbolIndex().?;
                 try self.genSetReg(.rax, Type.usize, .{ .lea_got = sym_index });
                 try self.asmRegister(.{ ._, .call }, .rax);
             } else if (self.bin_file.cast(link.File.MachO)) |macho_file| {
-                const atom = try macho_file.getOrCreateAtomForDecl(func.owner_decl);
+                const atom = try macho_file.getOrCreateAtomForDecl(owner_decl);
                 const sym_index = macho_file.getAtom(atom).getSymbolIndex().?;
                 try self.genSetReg(.rax, Type.usize, .{ .lea_got = sym_index });
                 try self.asmRegister(.{ ._, .call }, .rax);
             } else if (self.bin_file.cast(link.File.Plan9)) |p9| {
-                const decl_block_index = try p9.seeDecl(func.owner_decl);
+                const decl_block_index = try p9.seeDecl(owner_decl);
                 const decl_block = p9.getDeclBlock(decl_block_index);
                 const ptr_bits = self.target.cpu.arch.ptrBitWidth();
                 const ptr_bytes: u64 = @divExact(ptr_bits, 8);
diff --git a/test/behavior/bugs/1277.zig b/test/behavior/bugs/1277.zig
index 64f8430cdb..d5312a378e 100644
--- a/test/behavior/bugs/1277.zig
+++ b/test/behavior/bugs/1277.zig
@@ -14,7 +14,6 @@ fn f() i32 {
 test "don't emit an LLVM global for a const function when it's in an optional in a struct" {
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_spirv64) return error.SkipZigTest;
 
diff --git a/test/behavior/bugs/12801-2.zig b/test/behavior/bugs/12801-2.zig
index e6243487b0..6b145e9925 100644
--- a/test/behavior/bugs/12801-2.zig
+++ b/test/behavior/bugs/12801-2.zig
@@ -16,7 +16,6 @@ const Auto = struct {
 test {
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_spirv64) return error.SkipZigTest;
 
diff --git a/test/behavior/fn.zig b/test/behavior/fn.zig
index 53f964c70a..c84eb48d2e 100644
--- a/test/behavior/fn.zig
+++ b/test/behavior/fn.zig
@@ -502,7 +502,6 @@ test "method call with optional pointer first param" {
 }
 
 test "using @ptrCast on function pointers" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO