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Go patch committed: Update issue16016 test

Message ID CAOyqgcUwe-vHK5tEzGwgcSWGS3hm1Vnk0ygf+6JNcuhTQq-eSQ@mail.gmail.com
State New
Headers show
Series Go patch committed: Update issue16016 test | expand

Commit Message

Ian Lance Taylor March 27, 2024, 6:47 p.m. UTC 
This patch to the Go testsuite updates issue16016.go.  This backports
https://go.dev/cl/574536 into the GCC testsuite.  This fixes PR
go/114453.  Bootstrapped and ran test.  Committed to mainline.

Ian
5b6f599670994bef957bd15c683102468a7104f1
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Patch

diff --git a/gcc/testsuite/go.test/test/fixedbugs/issue16016.go b/gcc/testsuite/go.test/test/fixedbugs/issue16016.go
index e738e1dba0e..b1947f5548d 100644
--- a/gcc/testsuite/go.test/test/fixedbugs/issue16016.go
+++ b/gcc/testsuite/go.test/test/fixedbugs/issue16016.go
@@ -6,7 +6,10 @@ 
 
 package main
 
-import "time"
+import (
+	"runtime"
+	"time"
+)
 
 type T struct{}
 
@@ -24,8 +27,19 @@  type Q interface {
 }
 
 func main() {
+	var count = 10000
+	if runtime.Compiler == "gccgo" {
+		// On targets without split-stack libgo allocates
+		// a large stack for each goroutine. On 32-bit
+		// systems this test can run out of memory.
+		const intSize = 32 << (^uint(0) >> 63) // 32 or 64
+		if intSize < 64 {
+			count = 100
+		}
+	}
+
 	var q Q = &R{&T{}}
-	for i := 0; i < 10000; i++ {
+	for i := 0; i < count; i++ {
 		go func() {
 			defer q.Foo([]interface{}{"meow"})
 			time.Sleep(100 * time.Millisecond)