runtime: use C cast syntax in stack.c

Didn't notice earlier because this code is only used on systems that
do not support -fsplit-stack.

Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/342051

diff --git a/gcc/go/gofrontend/MERGE b/gcc/go/gofrontend/MERGE
index bcbe1d9..3000285 100644 (file)
--- a/gcc/go/gofrontend/MERGE
+++ b/gcc/go/gofrontend/MERGE
@@ -1,4 +1,4 @@
-33f65dce43bd01c1fa38cd90a78c9aea6ca6dd59
+f2b7a2ce94127ad444a772bd1631516c5c67fb73
 
 The first line of this file holds the git revision number of the last
 merge done from the gofrontend repository.

diff --git a/libgo/runtime/stack.c b/libgo/runtime/stack.c
index 0c0c30e..65e8fa3 100644 (file)
--- a/libgo/runtime/stack.c
+++ b/libgo/runtime/stack.c
@@ -174,7 +174,7 @@ bool onCurrentStack(uintptr p)
        nextsp2 = secondary_stack_pointer();
        if (nextsp2 != nil) {
                initialsp2 = (byte*)(void*)(gp->gcinitialsp2);
-               if (uintptr(initialsp2) < uintptr(nextsp2)) {
+               if ((uintptr)(initialsp2) < (uintptr)(nextsp2)) {
                        temp = initialsp2;
                        initialsp2 = nextsp2;
                        nextsp2 = temp;