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cmd/cgo/internal/test: use (syntactic) constant for C array bound

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A test in C has an array bound defined as a "const int", which is
technically a variable. The new version of C compiler in Xcode 26
beta emits a warning "variable length array folded to constant
array as an extension" for this (as an error since we build the
test with -Werror). Work around this by using an enum, which is
syntactically a constant.

Change-Id: Icfa943f293f6eac8f41d0615da40c126330d7d11
Reviewed-on: https://go-review.googlesource.com/c/go/+/692877
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Michael Pratt <mpratt@google.com>
This commit is contained in:
Cherry Mui 2025-08-02 18:13:19 -04:00
parent b2960e3580
commit 4b6cbc377f
1 changed files with 1 additions and 1 deletions
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2
src/cmd/cgo/internal/test/test.go
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@ -245,7 +245,7 @@ static void *thread(void *p) {
return NULL;
}
void testSendSIG() {
const int N = 20;
enum { N = 20 };
int i;
pthread_t tid[N];
for (i = 0; i < N; i++) {