From e1bc907a9213468a27b67a715b46524009daf6fb Mon Sep 17 00:00:00 2001
From: William Deegan <bill@baddogconsulting.com>
Date: Sat, 30 Sep 2017 18:06:30 -0700
Subject: Add test for another subst dollar escaping situation. In this case
 34120( is getting translated to  (escape closings). Since there is no closing
 $) it fails with error.

---
 src/engine/SCons/SubstTests.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/engine/SCons/SubstTests.py b/src/engine/SCons/SubstTests.py
index 6604128..fcd77df 100644
--- a/src/engine/SCons/SubstTests.py
+++ b/src/engine/SCons/SubstTests.py
@@ -336,6 +336,10 @@ class scons_subst_TestCase(SubstTestCase):
         # Test double-dollar-sign behavior.
         "$$FFF$HHH",            "$FFFIII",
 
+        # Test double-dollar-sign before open paren. It's not meant
+        # to be signature escaping
+        'echo $$(pwd) > XYZ',   'echo $(pwd) > XYZ',
+
         # Test that a Literal will stop dollar-sign substitution.
         "$XXX $LITERAL $FFF",   "GGG $XXX GGG",
 
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