Merge pull request #314 from aaronjensen/fix-error-cause-pollution

Prevent FallbackScan from polluting exception cause

lib/bootsnap/load_path_cache/core_ext/kernel_require.rb

@@ -38,7 +38,11 @@ def require(path)
   rescue Bootsnap::LoadPathCache::ReturnFalse
     false
   rescue Bootsnap::LoadPathCache::FallbackScan
-    require_with_bootsnap_lfi(path)
+    fallback = true
+  ensure
+    if fallback
+      require_with_bootsnap_lfi(path)
+    end
   end
 
   alias_method(:require_relative_without_bootsnap, :require_relative)
@@ -67,7 +71,11 @@ def load(path, wrap = false)
   rescue Bootsnap::LoadPathCache::ReturnFalse
     false
   rescue Bootsnap::LoadPathCache::FallbackScan
-    load_without_bootsnap(path, wrap)
+    fallback = true
+  ensure
+    if fallback
+      load_without_bootsnap(path, wrap)
+    end
   end
 end
 
@@ -88,6 +96,10 @@ def autoload(const, path)
   rescue Bootsnap::LoadPathCache::ReturnFalse
     false
   rescue Bootsnap::LoadPathCache::FallbackScan
-    autoload_without_bootsnap(const, path)
+    fallback = true
+  ensure
+    if fallback
+      autoload_without_bootsnap(const, path)
+    end
   end
 end