behavior: avoid field/decl name conflicts

Author: mlugg

test/behavior/call.zig

@@ -549,7 +549,7 @@ test "call function pointer in comptime field" {
         auto: [max_len]u8 = undefined,
         offset: u64 = 0,
 
-        comptime capacity: *const fn () u64 = capacity,
+        comptime capacityFn: *const fn () u64 = capacity,
 
         const max_len: u64 = 32;
 
@@ -558,9 +558,9 @@ test "call function pointer in comptime field" {
         }
     };
 
-    const a: Auto = .{ .offset = 16, .capacity = Auto.capacity };
-    try std.testing.expect(a.capacity() == 32);
-    try std.testing.expect((a.capacity)() == 32);
+    const a: Auto = .{ .offset = 16, .capacityFn = Auto.capacity };
+    try std.testing.expect(a.capacityFn() == 32);
+    try std.testing.expect((a.capacityFn)() == 32);
 }
 
 test "generic function pointer can be called" {

test/behavior/packed-union.zig

@@ -149,12 +149,12 @@ test "packed union initialized with a runtime value" {
         value: u63,
         fields: Fields,
 
-        fn value() i64 {
+        fn getValue() i64 {
             return 1341;
         }
     };
 
-    const timestamp: i64 = ID.value();
+    const timestamp: i64 = ID.getValue();
     const id = ID{ .fields = Fields{
         .timestamp = @as(u50, @intCast(timestamp)),
         .random_bits = 420,

test/behavior/struct.zig

@@ -1529,15 +1529,15 @@ test "function pointer in struct returns the struct" {
 
     const A = struct {
         const A = @This();
-        f: *const fn () A,
+        ptr: *const fn () A,
 
         fn f() A {
-            return .{ .f = f };
+            return .{ .ptr = f };
         }
     };
     var a = A.f();
     _ = &a;
-    try expect(a.f == A.f);
+    try expect(a.ptr == A.f);
 }
 
 test "no dependency loop on optional field wrapped in generic function" {

test/behavior/union.zig

@@ -155,18 +155,6 @@ test "unions embedded in aggregate types" {
     }
 }
 
-test "access a member of tagged union with conflicting enum tag name" {
-    const Bar = union(enum) {
-        A: A,
-        B: B,
-
-        const A = u8;
-        const B = void;
-    };
-
-    comptime assert(Bar.A == u8);
-}
-
 test "constant tagged union with payload" {
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
@@ -1417,10 +1405,10 @@ test "union field ptr - zero sized payload" {
     const U = union {
         foo: void,
         bar: void,
-        fn bar(_: *void) void {}
+        fn qux(_: *void) void {}
     };
     var u: U = .{ .foo = {} };
-    U.bar(&u.foo);
+    U.qux(&u.foo);
 }
 
 test "union field ptr - zero sized field" {
@@ -1431,10 +1419,10 @@ test "union field ptr - zero sized field" {
     const U = union {
         foo: void,
         bar: u32,
-        fn bar(_: *void) void {}
+        fn qux(_: *void) void {}
     };
     var u: U = .{ .foo = {} };
-    U.bar(&u.foo);
+    U.qux(&u.foo);
 }
 
 test "packed union in packed struct" {