x/tools/go/ssa: TestTypeparamTest failures

[gopherbot]

#!watchflakes
default <- pkg == "golang.org/x/tools/go/ssa" && test == "TestTypeparamTest"

Issue created automatically to collect these failures.

Example (log):

=== RUN   TestTypeparamTest
    builder_test.go:686: Failed to load errors package from std: err: exit status 2: stderr: fatal error: runtime: cannot allocate memory
        
        runtime stack:
        runtime.throw({0x7ff678c82474?, 0x7ff67861e9d4?})
        	runtime/panic.go:1073 +0x38 fp=0x79009ffac0 sp=0x79009ffa90 pc=0x7ff678660008
        runtime.persistentalloc1(0x3fc0, 0x7ff678614260?, 0x7ff67919bbc0)
        	runtime/malloc.go:1609 +0x284 fp=0x79009ffb10 sp=0x79009ffac0 pc=0x7ff6785ff534
        runtime.persistentalloc.func1()
        	runtime/malloc.go:1562 +0x30 fp=0x79009ffb40 sp=0x79009ffb10 pc=0x7ff6785ff290
...
        	runtime/chan.go:489 +0x14 fp=0x4000051fa0 sp=0x4000051f70 pc=0x7ff6785f82d4
        runtime.unique_runtime_registerUniqueMapCleanup.func1(...)
        	runtime/mgc.go:1781
        runtime.unique_runtime_registerUniqueMapCleanup.gowrap1()
        	runtime/mgc.go:1784 +0x3c fp=0x4000051fd0 sp=0x4000051fa0 pc=0x7ff67860c31c
        runtime.goexit({})
        	runtime/asm_arm64.s:1223 +0x4 fp=0x4000051fd0 sp=0x4000051fd0 pc=0x7ff678668554
        created by unique.runtime_registerUniqueMapCleanup in goroutine 1
        	runtime/mgc.go:1779 +0xa0
--- FAIL: TestTypeparamTest (0.15s)

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "golang.org/x/tools/go/ssa" && test == "TestTypeparamTest"

2025-04-07 20:11 x_tools-go1.23-windows-arm64 tools@5916e3cb release-branch.go1.23@7a2cfb70 x/tools/go/ssa.TestTypeparamTest (log)

=== RUN   TestTypeparamTest
    builder_test.go:686: Failed to load errors package from std: err: exit status 2: stderr: fatal error: runtime: cannot allocate memory
        
        runtime stack:
        runtime.throw({0x7ff678c82474?, 0x7ff67861e9d4?})
        	runtime/panic.go:1073 +0x38 fp=0x79009ffac0 sp=0x79009ffa90 pc=0x7ff678660008
        runtime.persistentalloc1(0x3fc0, 0x7ff678614260?, 0x7ff67919bbc0)
        	runtime/malloc.go:1609 +0x284 fp=0x79009ffb10 sp=0x79009ffac0 pc=0x7ff6785ff534
        runtime.persistentalloc.func1()
        	runtime/malloc.go:1562 +0x30 fp=0x79009ffb40 sp=0x79009ffb10 pc=0x7ff6785ff290
...
        	runtime/chan.go:489 +0x14 fp=0x4000051fa0 sp=0x4000051f70 pc=0x7ff6785f82d4
        runtime.unique_runtime_registerUniqueMapCleanup.func1(...)
        	runtime/mgc.go:1781
        runtime.unique_runtime_registerUniqueMapCleanup.gowrap1()
        	runtime/mgc.go:1784 +0x3c fp=0x4000051fd0 sp=0x4000051fa0 pc=0x7ff67860c31c
        runtime.goexit({})
        	runtime/asm_arm64.s:1223 +0x4 fp=0x4000051fd0 sp=0x4000051fd0 pc=0x7ff678668554
        created by unique.runtime_registerUniqueMapCleanup in goroutine 1
        	runtime/mgc.go:1779 +0xa0
--- FAIL: TestTypeparamTest (0.15s)

— watchflakes