Add another checked cast

erer1243 · erer1243 · commit 44dde15f2539 · 2024-03-09T14:52:26.000-05:00
diff --git a/compiler/rustc_codegen_llvm/src/common.rs b/compiler/rustc_codegen_llvm/src/common.rs
@@ -95,7 +95,8 @@ impl<'ll> BackendTypes for CodegenCx<'ll, '_> {
 
 impl<'ll> CodegenCx<'ll, '_> {
     pub fn const_array(&self, ty: &'ll Type, elts: &[&'ll Value]) -> &'ll Value {
-        unsafe { llvm::LLVMConstArray2(ty, elts.as_ptr(), elts.len()) }
+        let len = u64::try_from(elts.len()).expect("LLVMConstArray2 elements len overflow");
+        unsafe { llvm::LLVMConstArray2(ty, elts.as_ptr(), len) }
     }
 
     pub fn const_vector(&self, elts: &[&'ll Value]) -> &'ll Value {

Original file line number	Diff line number	Diff line change
`@@ -95,7 +95,8 @@ impl<'ll> BackendTypes for CodegenCx<'ll, '_> {`
`95`	`95`
`96`	`96`	`impl<'ll> CodegenCx<'ll, '_> {`
`97`	`97`	`pub fn const_array(&self, ty: &'ll Type, elts: &[&'ll Value]) -> &'ll Value {`
`98`		`- unsafe { llvm::LLVMConstArray2(ty, elts.as_ptr(), elts.len()) }`
	`98`	`+ let len = u64::try_from(elts.len()).expect("LLVMConstArray2 elements len overflow");`
	`99`	`+ unsafe { llvm::LLVMConstArray2(ty, elts.as_ptr(), len) }`
`99`	`100`	`}`
`100`	`101`
`101`	`102`	`pub fn const_vector(&self, elts: &[&'ll Value]) -> &'ll Value {`