cmd = exec.Command("go", "run", "-ldflags=-X main.tbd", "linkx.go")
	_, err = cmd.CombinedOutput()
	if err == nil {
		fmt.Println("-X linker flag should not accept keys without values")
		os.Exit(1)
	}

	// Issue 9621
	cmd = exec.Command("go", "run", "-ldflags=-X main.b=false -X main.x=42", "linkx.go")
	outx, err := cmd.CombinedOutput()
	if err == nil {
		fmt.Println("-X linker flag should not overwrite non-strings")
		os.Exit(1)
	}

## Compiler {#compiler}

## Assembler {#assembler}

    BuildOperationExecutor buildOperationExecutor = Mock(BuildOperationExecutor)
    BuildOperationQueue queue = Mock(BuildOperationQueue)
    WorkerLeaseService workerLeaseService = new TestWorkerLeaseService()

    SwiftLinker linker = new SwiftLinker(buildOperationExecutor, commandLineTool, invocationContext, workerLeaseService)

    def "ignores install name for all major operating system"() {
        given:

                cppCompiler.args '-pthread'
                linker.args '-pthread'

                if (toolChain instanceof Gcc || toolChain instanceof Clang) {
                    // Use C++03 with the old ABIs, as this is what the googletest binaries were built with
                    cppCompiler.args '-std=c++03', '-D_GLIBCXX_USE_CXX11_ABI=0'
                    linker.args '-std=c++03'
                }
            }
        }

[short] skip

# In the remaining tests below we do actual builds (without -n) to
# verify that the Go linker is going the right thing in addition to the
# Go command. Here the idea is to pass "-tmpdir" to the linker, then
# check after the link is done for the presence of the file
# <tmpdir>/go.o, which the Go linker creates prior to kicking off the
# external linker.

mkdir tmp1
mkdir tmp2
mkdir tmp3
mkdir tmp4
mkdir tmp5

// Checking of compiler and linker flags.
// We must avoid flags like -fplugin=, which can allow
// arbitrary code execution during the build.
// Do not make changes here without carefully
// considering the implications.
// (That's why the code is isolated in a file named security.go.)
//
// Note that -Wl,foo means split foo on commas and pass to
// the linker, so that -Wl,-foo,bar means pass -foo bar to

        tools.put(ToolType.CPP_COMPILER, instantiator.newInstance(DefaultCommandLineToolConfiguration.class, ToolType.CPP_COMPILER));
        tools.put(ToolType.LINKER, instantiator.newInstance(DefaultCommandLineToolConfiguration.class, ToolType.LINKER));
        tools.put(ToolType.STATIC_LIB_ARCHIVER, instantiator.newInstance(DefaultCommandLineToolConfiguration.class, ToolType.STATIC_LIB_ARCHIVER));

env GOCACHE=$WORK/gocache
mkdir $GOCACHE

# Building a main package should run the compiler and linker ...
go build -o $devnull -x main.go
stderr '(compile|gccgo)( |\.exe).*main\.go'
stderr '(link|gccgo)( |\.exe)'

# ... and then the linker again ...
go build -o $devnull -x main.go
! stderr '(compile|gccgo)( |\.exe).*main\.go'
stderr '(link|gccgo)( |\.exe)'

# ... but the output binary can serve as a cache.

    }

    @ToBeFixedForConfigurationCache
    def "fails when required linker tool is not available but language tool is available"() {
        when:
        buildFile << """
model {
    toolChains {
        ${toolChain.id} {
            eachPlatform {
                linker.executable = 'does-not-exist'
            }
        }
    }
}
"""
        fails "mainExecutable"

// license that can be found in the LICENSE file.

package main

import (
	"fmt"
	"runtime"
)

// linked list up the stack, to test lots of stack objects.

type T struct {
	// points to a heap object. Test will make sure it isn't freed.
	data *int64
	// next pointer for a linked list of stack objects
	next *T
	// duplicate of next, to stress test the pointer buffers
	// used during stack tracing.
	next2 *T