From 13a8eae0d4bce114405f175d4e73ec5a8b07a3aa Mon Sep 17 00:00:00 2001
From: Dan Kegel <dkegel@fastly.com>
Date: Wed, 20 Sep 2023 10:55:49 -0700
Subject: [PATCH] build: build Go SSA serially [issue 3895]

From
https://github.com/tinygo-org/tinygo/pull/3915#issuecomment-1724405109

According to Ayke, it slows down the build but seems to reliably fix https://github.com/tinygo-org/tinygo/issues/3895
---
 builder/build.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/builder/build.go b/builder/build.go
index 85114d9d..dc360b92 100644
--- a/builder/build.go
+++ b/builder/build.go
@@ -344,6 +344,10 @@ func Build(pkgName, outpath, tmpdir string, config *compileopts.Config) (BuildRe
 		}
 		packageActionIDJobs[pkg.ImportPath] = packageActionIDJob
 
+		// Build the SSA for the given package.
+		ssaPkg := program.Package(pkg.Pkg)
+		ssaPkg.Build()
+
 		// Now create the job to actually build the package. It will exit early
 		// if the package is already compiled.
 		job := &compileJob{