Run compare-with-main.sh on CI (bytecodealliance#34)

Author: yurydelendik

.github/workflows/main.yml

@@ -73,6 +73,13 @@ jobs:
       run: rustup update stable && rustup default stable && rustup component add rustfmt
     - run: cargo fmt -- --check
 
+  compare-with-main:
+    name: wasmparser bench
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - run: (cd crates/wasmparser && ./compare-with-main.sh)
+
   fuzz:
     name: Fuzz
     runs-on: ubuntu-latest

crates/wasmparser/benches/benchmark.rs

@@ -19,6 +19,7 @@ const VALIDATOR_CONFIG: Option<ValidatingParserConfig> = Some(ValidatingParserCo
         enable_bulk_memory: true,
         enable_multi_value: true,
         enable_tail_call: true,
+        enable_module_linking: true,
     },
 });
 
@@ -120,7 +121,8 @@ where
                 .extension()
                 .and_then(|ext| ext.to_str().map(|str| str.to_string()));
             match ext.as_ref().map(|string| string.as_str()) {
-                Some("wat") => file_contents.push(read_wat_module(&dir_entry.path())),
+                // TODO enable wat
+                // Some("wat") => file_contents.push(read_wat_module(&dir_entry.path())),
                 Some("wast") => {
                     for wasm_module in read_wast_module(&dir_entry.path()) {
                         file_contents.push(wasm_module)

crates/wasmparser/compare-master.sh crates/wasmparser/compare-with-main.shcrates/wasmparser/compare-master.sh renamed to crates/wasmparser/compare-with-main.sh

@@ -1,10 +1,11 @@
 #!/usr/bin/env bash
+set -e
 
 # record current bench results
 cargo bench --bench benchmark -- --noplot --save-baseline after
 
-# switch to master and record its bench results
-git checkout master && \
+# switch to main branch and record its bench results
+git checkout main && \
 cargo bench --bench benchmark -- --noplot --save-baseline before
 
 # compare