we seem to monomorphize fewer vtables by default now, so adjust some tests

Author: RalfJung

src/test/ui/traits/vtable/vtable-diamond.rs

@@ -34,6 +34,11 @@ fn foo(d: &dyn D) {
     d.foo_d();
 }
 
+fn bar(d: &dyn C) {
+    d.foo_c();
+}
+
 fn main() {
     foo(&S);
+    bar(&S);
 }

src/test/ui/traits/vtable/vtable-multi-level.rs

@@ -12,6 +12,7 @@
 
 #[rustc_dump_vtable]
 trait A {
+    //~^ error vtable
     fn foo_a(&self) {}
 }
 
@@ -23,6 +24,7 @@ trait B {
 
 #[rustc_dump_vtable]
 trait C: A + B {
+    //~^ error vtable
     fn foo_c(&self) {}
 }
 
@@ -115,8 +117,27 @@ impl M for S {}
 impl N for S {}
 impl O for S {}
 
-fn foo(_: &dyn O) {}
+macro_rules! monomorphize_vtable {
+    ($trait:ident) => {{
+        fn foo(_ : &dyn $trait) {}
+        foo(&S);
+    }}
+}
 
 fn main() {
-    foo(&S);
+    monomorphize_vtable!(O);
+
+    monomorphize_vtable!(A);
+    monomorphize_vtable!(B);
+    monomorphize_vtable!(C);
+    monomorphize_vtable!(D);
+    monomorphize_vtable!(E);
+    monomorphize_vtable!(F);
+    monomorphize_vtable!(H);
+    monomorphize_vtable!(I);
+    monomorphize_vtable!(J);
+    monomorphize_vtable!(K);
+    monomorphize_vtable!(L);
+    monomorphize_vtable!(M);
+    monomorphize_vtable!(N);
 }

src/test/ui/traits/vtable/vtable-multi-level.stderr

@@ -29,29 +29,54 @@ error: vtable entries for `<S as O>`: [
            TraitVPtr(<S as N>),
            Method(<S as O>::foo_o),
        ]
-  --> $DIR/vtable-multi-level.rs:95:1
+  --> $DIR/vtable-multi-level.rs:97:1
    |
 LL | trait O: G + N {
    | ^^^^^^^^^^^^^^
 
+error: vtable entries for `<S as A>`: [
+           MetadataDropInPlace,
+           MetadataSize,
+           MetadataAlign,
+           Method(<S as A>::foo_a),
+       ]
+  --> $DIR/vtable-multi-level.rs:14:1
+   |
+LL | trait A {
+   | ^^^^^^^
+
 error: vtable entries for `<S as B>`: [
            MetadataDropInPlace,
            MetadataSize,
            MetadataAlign,
            Method(<S as B>::foo_b),
        ]
-  --> $DIR/vtable-multi-level.rs:19:1
+  --> $DIR/vtable-multi-level.rs:20:1
    |
 LL | trait B {
    | ^^^^^^^
 
+error: vtable entries for `<S as C>`: [
+           MetadataDropInPlace,
+           MetadataSize,
+           MetadataAlign,
+           Method(<S as A>::foo_a),
+           Method(<S as B>::foo_b),
+           TraitVPtr(<S as B>),
+           Method(<S as C>::foo_c),
+       ]
+  --> $DIR/vtable-multi-level.rs:26:1
+   |
+LL | trait C: A + B {
+   | ^^^^^^^^^^^^^^
+
 error: vtable entries for `<S as D>`: [
            MetadataDropInPlace,
            MetadataSize,
            MetadataAlign,
            Method(<S as D>::foo_d),
        ]
-  --> $DIR/vtable-multi-level.rs:30:1
+  --> $DIR/vtable-multi-level.rs:32:1
    |
 LL | trait D {
    | ^^^^^^^
@@ -62,7 +87,7 @@ error: vtable entries for `<S as E>`: [
            MetadataAlign,
            Method(<S as E>::foo_e),
        ]
-  --> $DIR/vtable-multi-level.rs:36:1
+  --> $DIR/vtable-multi-level.rs:38:1
    |
 LL | trait E {
    | ^^^^^^^
@@ -76,7 +101,7 @@ error: vtable entries for `<S as F>`: [
            TraitVPtr(<S as E>),
            Method(<S as F>::foo_f),
        ]
-  --> $DIR/vtable-multi-level.rs:42:1
+  --> $DIR/vtable-multi-level.rs:44:1
    |
 LL | trait F: D + E {
    | ^^^^^^^^^^^^^^
@@ -87,7 +112,7 @@ error: vtable entries for `<S as H>`: [
            MetadataAlign,
            Method(<S as H>::foo_h),
        ]
-  --> $DIR/vtable-multi-level.rs:53:1
+  --> $DIR/vtable-multi-level.rs:55:1
    |
 LL | trait H {
    | ^^^^^^^
@@ -98,7 +123,7 @@ error: vtable entries for `<S as I>`: [
            MetadataAlign,
            Method(<S as I>::foo_i),
        ]
-  --> $DIR/vtable-multi-level.rs:59:1
+  --> $DIR/vtable-multi-level.rs:61:1
    |
 LL | trait I {
    | ^^^^^^^
@@ -112,7 +137,7 @@ error: vtable entries for `<S as J>`: [
            TraitVPtr(<S as I>),
            Method(<S as J>::foo_j),
        ]
-  --> $DIR/vtable-multi-level.rs:65:1
+  --> $DIR/vtable-multi-level.rs:67:1
    |
 LL | trait J: H + I {
    | ^^^^^^^^^^^^^^
@@ -123,7 +148,7 @@ error: vtable entries for `<S as K>`: [
            MetadataAlign,
            Method(<S as K>::foo_k),
        ]
-  --> $DIR/vtable-multi-level.rs:71:1
+  --> $DIR/vtable-multi-level.rs:73:1
    |
 LL | trait K {
    | ^^^^^^^
@@ -134,7 +159,7 @@ error: vtable entries for `<S as L>`: [
            MetadataAlign,
            Method(<S as L>::foo_l),
        ]
-  --> $DIR/vtable-multi-level.rs:77:1
+  --> $DIR/vtable-multi-level.rs:79:1
    |
 LL | trait L {
    | ^^^^^^^
@@ -148,7 +173,7 @@ error: vtable entries for `<S as M>`: [
            TraitVPtr(<S as L>),
            Method(<S as M>::foo_m),
        ]
-  --> $DIR/vtable-multi-level.rs:83:1
+  --> $DIR/vtable-multi-level.rs:85:1
    |
 LL | trait M: K + L {
    | ^^^^^^^^^^^^^^
@@ -169,10 +194,10 @@ error: vtable entries for `<S as N>`: [
            TraitVPtr(<S as M>),
            Method(<S as N>::foo_n),
        ]
-  --> $DIR/vtable-multi-level.rs:89:1
+  --> $DIR/vtable-multi-level.rs:91:1
    |
 LL | trait N: J + M {
    | ^^^^^^^^^^^^^^
 
-error: aborting due to 12 previous errors
+error: aborting due to 14 previous errors
 

src/test/ui/traits/vtable/vtable-multiple.rs

@@ -25,7 +25,9 @@ impl B for S {}
 impl C for S {}
 
 fn foo(c: &dyn C) {}
+fn bar(c: &dyn B) {}
 
 fn main() {
     foo(&S);
+    bar(&S);
 }