3 files changed, 17 insertions, 1 deletions
diff --git a/test-suite/coq-makefile/timing/run.sh b/test-suite/coq-makefile/timing/run.sh
index 11a04d5c2c..6737197ee4 100755
--- a/test-suite/coq-makefile/timing/run.sh
+++ b/test-suite/coq-makefile/timing/run.sh
@@ -44,6 +44,7 @@ TO_SED_IN_BOTH=(
     -e s'/ *$//g' # the number of trailing spaces depends on how many digits percentages end up being; since this varies across runs, we remove trailing spaces
     -e s'/[0-9]*\.[0-9]*//g' # the precise timing numbers vary, so we strip them out
     -e s'/^-*$/------/g' # When none of the numbers get over 100 (or 1000, in per-file), the width of the table is different, so we normalize the number of dashes for table separators
+    -e s'/+/-/g' # some code lines don't really change, but this can show up as either -0m00.01s or +0m00.01s, so we need to normalize the signs; additionally, some N/A's show up where we expect to get -∞ on the per-line file, and so the ∞-replacement gets the sign wrong, so we must correct it
 )
 
 TO_SED_IN_PER_FILE=(
@@ -55,7 +56,6 @@ TO_SED_IN_PER_FILE=(
 TO_SED_IN_PER_LINE=(
     -e s'/0//g' # unclear whether this is actually needed above and beyond s'/[0-9]*\.[0-9]*//g'; it's been here from the start
     -e s'/  */ /g' # Sometimes 0 will show up as 0m00.s, sometimes it'll end up being more like 0m00.001s; we must strip out the spaces that result from left-aligning numbers of different widths based on how many digits Coq's [-time] gives
-    -e s'/+/-/g' # some code lines don't really change, but this can show up as either -0m00.01s or +0m00.01s, so we need to normalize the signs
     )
 
 for file in time-of-build-before.log time-of-build-after.log time-of-build-both.log; do
diff --git a/test-suite/misc/coqc_dash_o.sh b/test-suite/misc/coqc_dash_o.sh
new file mode 100755
index 0000000000..f303214b9a
--- /dev/null
+++ b/test-suite/misc/coqc_dash_o.sh
@@ -0,0 +1,15 @@
+#!/bin/bash
+
+DOUT=misc/tmp_coqc_dash_o/
+OUT=${DOUT}coqc_dash_o.vo
+
+
+mkdir -p "${DOUT}"
+rm -f "${OUT}"
+$coqc misc/coqc_dash_o.v -o "${OUT}"
+if [ ! -f "${OUT}" ]; then
+  printf "coqc -o not working"
+  exit 1
+fi
+rm -fr "${DOUT}"
+exit 0
diff --git a/test-suite/misc/coqc_dash_o.v b/test-suite/misc/coqc_dash_o.v
new file mode 100644
index 0000000000..7426dff1a0
--- /dev/null
+++ b/test-suite/misc/coqc_dash_o.v
@@ -0,0 +1 @@
+Definition x := nat.