diff --git a/compiler-rt/lib/interception/interception_win.cpp b/compiler-rt/lib/interception/interception_win.cpp
--- a/compiler-rt/lib/interception/interception_win.cpp
+++ b/compiler-rt/lib/interception/interception_win.cpp
@@ -253,8 +253,11 @@
 }
 
 static void WriteJumpInstruction(uptr from, uptr target) {
-  if (!DistanceIsWithin2Gig(from + kJumpInstructionLength, target))
+  if (!DistanceIsWithin2Gig(from + kJumpInstructionLength, target)) {
+    Report("interception_win: cannot write jmp further than 2GB away, from %p "
+           "to %p.\n", (void*)from, (void*)target);
     InterceptionFailed();
+  }
   ptrdiff_t offset = target - from - kJumpInstructionLength;
   *(u8*)from = 0xE9;
   *(u32*)(from + 1) = offset;
@@ -278,6 +281,9 @@
   int offset = indirect_target - from - kIndirectJumpInstructionLength;
   if (!DistanceIsWithin2Gig(from + kIndirectJumpInstructionLength,
                             indirect_target)) {
+    Report("interception_win: cannot write indirect jmp with target further "
+           "than 2GB away, from %p to %p.\n", (void*)from,
+           (void*)indirect_target);
     InterceptionFailed();
   }
   *(u16*)from = 0x25FF;