Bump mir-opt-level from 3 to 4 in tests

src/test/codegen/sanitizer-no-sanitize-inlining.rs

@@ -4,8 +4,8 @@
 // needs-sanitizer-address
 // needs-sanitizer-leak
 // revisions: ASAN LSAN
-//[ASAN] compile-flags: -Zsanitizer=address -C opt-level=3 -Z mir-opt-level=3
-//[LSAN] compile-flags: -Zsanitizer=leak    -C opt-level=3 -Z mir-opt-level=3
+//[ASAN] compile-flags: -Zsanitizer=address -C opt-level=3 -Z mir-opt-level=4
+//[LSAN] compile-flags: -Zsanitizer=leak    -C opt-level=3 -Z mir-opt-level=4
 
 #![crate_type="lib"]
 #![feature(no_sanitize)]

src/test/mir-opt/const_prop/boolean_identities.rs

@@ -1,4 +1,4 @@
-// compile-flags: -O -Zmir-opt-level=3
+// compile-flags: -O -Zmir-opt-level=4
 
 // EMIT_MIR boolean_identities.test.ConstProp.diff
 pub fn test(x: bool, y: bool) -> bool {

src/test/mir-opt/const_prop/mult_by_zero.rs

@@ -1,4 +1,4 @@
-// compile-flags: -O -Zmir-opt-level=3
+// compile-flags: -O -Zmir-opt-level=4
 
 // EMIT_MIR mult_by_zero.test.ConstProp.diff
 fn test(x : i32) -> i32 {

src/test/mir-opt/early_otherwise_branch.rs

@@ -1,4 +1,4 @@
-// compile-flags: -Z mir-opt-level=3
+// compile-flags: -Z mir-opt-level=4
 // EMIT_MIR early_otherwise_branch.opt1.EarlyOtherwiseBranch.diff
 fn opt1(x: Option<u32>, y: Option<u32>) -> u32 {
     match (x, y) {

src/test/mir-opt/early_otherwise_branch_3_element_tuple.rs

@@ -1,4 +1,4 @@
-// compile-flags: -Z mir-opt-level=3
+// compile-flags: -Z mir-opt-level=4
 
 // EMIT_MIR early_otherwise_branch_3_element_tuple.opt1.EarlyOtherwiseBranch.diff
 fn opt1(x: Option<u32>, y: Option<u32>, z: Option<u32>) -> u32 {

src/test/mir-opt/early_otherwise_branch_68867.rs

@@ -1,5 +1,5 @@
 // ignore-tidy-linelength
-// compile-flags: -Z mir-opt-level=3 -Zunsound-mir-opts
+// compile-flags: -Z mir-opt-level=4 -Zunsound-mir-opts
 
 // example from #68867
 type CSSFloat = f32;

src/test/mir-opt/early_otherwise_branch_noopt.rs

@@ -1,4 +1,4 @@
-// compile-flags: -Z mir-opt-level=3
+// compile-flags: -Z mir-opt-level=4
 
 // must not optimize as it does not follow the pattern of
 // left and right hand side being the same variant

src/test/mir-opt/inline/inline-into-box-place.rs

@@ -1,6 +1,6 @@
 // ignore-endian-big
 // ignore-wasm32-bare compiled with panic=abort by default
-// compile-flags: -Z mir-opt-level=3
+// compile-flags: -Z mir-opt-level=4
 // EMIT_MIR_FOR_EACH_BIT_WIDTH
 #![feature(box_syntax)]
 // EMIT_MIR inline_into_box_place.main.Inline.diff

src/test/mir-opt/inline/inline-trait-method_2.rs

@@ -1,4 +1,4 @@
-// compile-flags: -Z span_free_formats -Z mir-opt-level=3
+// compile-flags: -Z span_free_formats -Z mir-opt-level=4
 
 // EMIT_MIR inline_trait_method_2.test2.Inline.after.mir
 fn test2(x: &dyn X) -> bool {

src/test/mir-opt/multiple_return_terminators.rs

@@ -1,4 +1,4 @@
-// compile-flags: -Z mir-opt-level=3
+// compile-flags: -Z mir-opt-level=4
 // EMIT_MIR multiple_return_terminators.test.MultipleReturnTerminators.diff
 
 fn test(x: bool) {

src/test/ui/const-generics/issues/issue-75299.rs

@@ -1,4 +1,4 @@
-// compile-flags: -Zmir-opt-level=3
+// compile-flags: -Zmir-opt-level=4
 // run-pass
 
 #![feature(const_generics)]

src/test/ui/consts/issue-66345.rs

@@ -1,8 +1,8 @@
 // run-pass
-// compile-flags: -Z mir-opt-level=3
+// compile-flags: -Z mir-opt-level=4
 
 // Checks that the compiler does not ICE when passing references to field of by-value struct
-// with -Z mir-opt-level=3
+// with -Z mir-opt-level=4
 
 fn do_nothing(_: &()) {}
 

src/test/ui/consts/issue-67640.rs

@@ -1,4 +1,4 @@
-// compile-flags: -Z mir-opt-level=3
+// compile-flags: -Z mir-opt-level=4
 // run-pass
 
 struct X {

src/test/ui/issues/issue-50411.rs

@@ -3,7 +3,7 @@
 // elaborate-drops invoked on it) and then try to elaboate drops a
 // second time. Uncool.
 
-// compile-flags:-Zmir-opt-level=3
+// compile-flags:-Zmir-opt-level=4
 // build-pass
 
 fn main() {

src/test/ui/mir/issue-67639-normalization-ice.rs

@@ -1,4 +1,4 @@
-// compile-flags: -Z mir-opt-level=3
+// compile-flags: -Z mir-opt-level=4
 // build-pass
 
 // This used to ICE in const-prop due

src/test/ui/mir/issue-76740-copy-propagation.rs

@@ -1,6 +1,6 @@
 // Regression test for issue #76740.
 // run-pass
-// compile-flags: -Zmir-opt-level=3
+// compile-flags: -Zmir-opt-level=4
 
 #[derive(Copy, Clone)]
 pub struct V([usize; 4]);

src/test/ui/mir/ssa-analysis-regression-50041.rs

@@ -1,5 +1,5 @@
 // build-pass
-// compile-flags: -Z mir-opt-level=3
+// compile-flags: -Z mir-opt-level=4
 
 #![crate_type="lib"]
 #![feature(lang_items)]

src/test/ui/polymorphization/promoted-function-3.rs

@@ -1,5 +1,5 @@
 // run-pass
-// compile-flags: -Zpolymorphize=on -Zmir-opt-level=3
+// compile-flags: -Zpolymorphize=on -Zmir-opt-level=4
 
 fn caller<T, U>() -> &'static usize {
     callee::<U>()

src/test/ui/rfc-2091-track-caller/caller-location-intrinsic.rs

@@ -1,6 +1,6 @@
 // run-pass
 // revisions: default mir-opt
-//[mir-opt] compile-flags: -Zmir-opt-level=3
+//[mir-opt] compile-flags: -Zmir-opt-level=4
 
 #[inline(never)]
 #[track_caller]

src/test/ui/rfc-2091-track-caller/const-caller-location.rs

@@ -1,6 +1,6 @@
 // run-pass
 // revisions: default mir-opt
-//[mir-opt] compile-flags: -Zmir-opt-level=3
+//[mir-opt] compile-flags: -Zmir-opt-level=4
 
 #![feature(const_caller_location, const_fn)]
 

src/test/ui/rfc-2091-track-caller/intrinsic-wrapper.rs

@@ -1,6 +1,6 @@
 // run-pass
 // revisions: default mir-opt
-//[mir-opt] compile-flags: -Zmir-opt-level=3
+//[mir-opt] compile-flags: -Zmir-opt-level=4
 
 macro_rules! caller_location_from_macro {
     () => (core::panic::Location::caller());

src/test/ui/rfc-2091-track-caller/pass.rs

@@ -1,6 +1,6 @@
 // run-pass
 // revisions: default mir-opt
-//[mir-opt] compile-flags: -Zmir-opt-level=3
+//[mir-opt] compile-flags: -Zmir-opt-level=4
 
 #[track_caller]
 fn f() {}

src/test/ui/rfc-2091-track-caller/std-panic-locations.rs

@@ -1,7 +1,7 @@
 // run-pass
 // ignore-wasm32-bare compiled with panic=abort by default
 // revisions: default mir-opt
-//[mir-opt] compile-flags: -Zmir-opt-level=3
+//[mir-opt] compile-flags: -Zmir-opt-level=4
 
 #![feature(option_expect_none, option_unwrap_none)]
 #![allow(unconditional_panic)]

src/test/ui/rfc-2091-track-caller/track-caller-attribute.rs

@@ -1,6 +1,6 @@
 // run-pass
 // revisions: default mir-opt
-//[mir-opt] compile-flags: -Zmir-opt-level=3
+//[mir-opt] compile-flags: -Zmir-opt-level=4
 
 use std::panic::Location;
 

src/test/ui/rfc-2091-track-caller/tracked-fn-ptr-with-arg.rs

@@ -1,6 +1,6 @@
 // run-pass
 // revisions: default mir-opt
-//[mir-opt] compile-flags: -Zmir-opt-level=3
+//[mir-opt] compile-flags: -Zmir-opt-level=4
 
 fn pass_to_ptr_call<T>(f: fn(T), x: T) {
     f(x);

src/test/ui/rfc-2091-track-caller/tracked-fn-ptr.rs

@@ -1,6 +1,6 @@
 // run-pass
 // revisions: default mir-opt
-//[mir-opt] compile-flags: -Zmir-opt-level=3
+//[mir-opt] compile-flags: -Zmir-opt-level=4
 
 fn ptr_call(f: fn()) {
     f();

src/test/ui/simd-intrinsic/simd-intrinsic-inlining-issue67557-ice.rs

@@ -2,7 +2,7 @@
 // passed the wrong Instance, causing issues with inlining. See #67557.
 //
 // run-pass
-// compile-flags: -Zmir-opt-level=3
+// compile-flags: -Zmir-opt-level=4
 #![feature(platform_intrinsics, repr_simd)]
 
 extern "platform-intrinsic" {

src/test/ui/simd-intrinsic/simd-intrinsic-inlining-issue67557.rs

@@ -2,7 +2,7 @@
 // the wrong Instance, causing issues with inlining. See #67557.
 //
 // run-pass
-// compile-flags: -Zmir-opt-level=3
+// compile-flags: -Zmir-opt-level=4
 #![feature(platform_intrinsics, repr_simd)]
 
 extern "platform-intrinsic" {

src/tools/compiletest/src/runtest.rs

@@ -1960,7 +1960,7 @@ impl<'test> TestCx<'test> {
                 rustc.args(&[
                     "-Copt-level=1",
                     "-Zdump-mir=all",
-                    "-Zmir-opt-level=3",
+                    "-Zmir-opt-level=4",
                     "-Zvalidate-mir",
                     "-Zdump-mir-exclude-pass-number",
                 ]);