Fix tests on Windows

Can't use `:` in filenames on Windows

prtest:full

Author: alexcrichton

crates/cranelift/src/compiler.rs

@@ -975,14 +975,14 @@ impl FunctionCompiler<'_> {
         (builder, block0)
     }
 
-    fn finish(self, clif_filename: &str) -> Result<CompiledFunction, CompileError> {
-        self.finish_with_info(None, clif_filename)
+    fn finish(self, symbol: &str) -> Result<CompiledFunction, CompileError> {
+        self.finish_with_info(None, symbol)
     }
 
     fn finish_with_info(
         mut self,
         body_and_tunables: Option<(&FunctionBody<'_>, &Tunables)>,
-        clif_filename: &str,
+        symbol: &str,
     ) -> Result<CompiledFunction, CompileError> {
         let context = &mut self.cx.codegen_context;
         let isa = &*self.compiler.isa;
@@ -998,7 +998,7 @@ impl FunctionCompiler<'_> {
         if let Some(path) = &self.compiler.clif_dir {
             use std::io::Write;
 
-            let mut path = path.join(clif_filename);
+            let mut path = path.join(symbol.replace(":", "-"));
             path.set_extension("clif");
 
             let mut output = std::fs::File::create(path).unwrap();

tests/disas.rs

@@ -221,7 +221,7 @@ impl Test {
                     let entry = entry.context("failed to iterate over tempdir")?;
                     let path = entry.path();
                     if let Some(name) = path.file_name().and_then(|s| s.to_str()) {
-                        let filter = self.config.filter.as_deref().unwrap_or("wasm[0]::function");
+                        let filter = self.config.filter.as_deref().unwrap_or("wasm[0]--function");
                         if !name.contains(filter) {
                             continue;
                         }

tests/disas/component-model/enum.wat

@@ -1,6 +1,6 @@
 ;;! target = "riscv64"
 ;;! test = 'optimize'
-;;! filter = 'wasm[2]::function[1]'
+;;! filter = 'wasm[2]--function[1]'
 
 (component
   (type $a (enum "a" "b" "c"))