cranelift: Small documentation fixes (#5377)

* `translate_operator` doesn't return a boolean.
* `from_base_offset` doesn't panic if offset is smaller than base.

cranelift/codegen/src/ir/sourceloc.rs

@@ -63,10 +63,6 @@ impl RelSourceLoc {
     }
 
     /// Creates a new `RelSourceLoc` based on the given base and offset.
-    ///
-    /// # Panics
-    ///
-    /// Panics if the offset is smaller than the base.
     pub fn from_base_offset(base: SourceLoc, offset: SourceLoc) -> Self {
         if base.is_default() || offset.is_default() {
             Self::default()

cranelift/wasm/src/code_translator.rs

@@ -100,8 +100,7 @@ use wasmparser::{FuncValidator, MemArg, Operator, WasmModuleResources};
     feature = "cargo-clippy",
     allow(clippy::unneeded_field_pattern, clippy::cognitive_complexity)
 )]
-/// Translates wasm operators into Cranelift IR instructions. Returns `true` if it inserted
-/// a return.
+/// Translates wasm operators into Cranelift IR instructions.
 pub fn translate_operator<FE: FuncEnvironment + ?Sized>(
     validator: &mut FuncValidator<impl WasmModuleResources>,
     op: &Operator,