diff --git a/configure b/configure
index ceb67869efe..2bc8c72e3ea 100755
--- a/configure
+++ b/configure
@@ -722,11 +722,25 @@ case "$CFG_RELEASE_CHANNEL" in
     nightly )
 	msg "overriding settings for $CFG_RELEASE_CHANNEL"
 	CFG_ENABLE_LLVM_ASSERTIONS=1
-	CFG_ENABLE_DEBUGINFO_LINES=1
+
+        # FIXME(#37364) shouldn't have to disable this on windows-gnu
+        case "$CFG_BUILD" in
+          *-pc-windows-gnu)
+            ;;
+          *)
+	    CFG_ENABLE_DEBUGINFO_LINES=1
+            ;;
+        esac
 	;;
     beta | stable)
 	msg "overriding settings for $CFG_RELEASE_CHANNEL"
-	CFG_ENABLE_DEBUGINFO_LINES=1
+        case "$CFG_BUILD" in
+          *-pc-windows-gnu)
+            ;;
+          *)
+	    CFG_ENABLE_DEBUGINFO_LINES=1
+            ;;
+        esac
 	;;
     dev)
 	;;
diff --git a/mk/main.mk b/mk/main.mk
index d45e59d9b78..a5e37641220 100644
--- a/mk/main.mk
+++ b/mk/main.mk
@@ -144,7 +144,7 @@ ifdef CFG_ENABLE_DEBUGINFO
   CFG_RUSTC_FLAGS += -g
 else ifdef CFG_ENABLE_DEBUGINFO_LINES
   $(info cfg: enabling line number debuginfo (CFG_ENABLE_DEBUGINFO_LINES))
-  CFG_RUSTC_FLAGS += -C debuginfo=1
+  CFG_RUSTC_FLAGS += -Cdebuginfo=1
 endif
 
 ifdef SAVE_TEMPS
diff --git a/mk/tests.mk b/mk/tests.mk
index fc1f4b5561a..1957c989eb0 100644
--- a/mk/tests.mk
+++ b/mk/tests.mk
@@ -632,6 +632,7 @@ endif
 # is a separate choice from whether to pass `-g` when building the
 # compiler and standard library themselves.
 CTEST_RUSTC_FLAGS := $$(subst -g,,$$(CTEST_RUSTC_FLAGS))
+CTEST_RUSTC_FLAGS := $$(subst -Cdebuginfo=1,,$$(CTEST_RUSTC_FLAGS))
 ifdef CFG_ENABLE_DEBUGINFO_TESTS
 CTEST_RUSTC_FLAGS += -g
 endif