Add error information to osCommitMemory on failure.wip/angerman/windows-more-info

1 files changed, 1 insertions, 1 deletions

diff --git a/rts/win32/OSMem.c b/rts/win32/OSMem.c
index 138660a879..dde1a74bbb 100644
--- a/rts/win32/OSMem.c
+++ b/rts/win32/OSMem.c
@@ -474,7 +474,7 @@ void osCommitMemory (void *at, W_ size)
     void *temp;
     temp = VirtualAlloc(at, size, MEM_COMMIT, PAGE_READWRITE);
     if (temp == NULL) {
-        sysErrorBelch("osCommitMemory: VirtualAlloc MEM_COMMIT failed");
+        sysErrorBelch("osCommitMemory: VirtualAlloc MEM_COMMIT failed to commit %" FMT_Word " bytes of memory  (error code: %lu)", size, GetLastError());
         stg_exit(EXIT_HEAPOVERFLOW);
     }
 }