Add utils/TestUtils, and sink pch-test.pl there.

Also, add a test for generator a C file with a very deep call stack.

llvm-svn: 90468

2 files changed, 24 insertions, 0 deletions

diff --git a/clang/utils/TestUtils/deep-stack.py b/clang/utils/TestUtils/deep-stack.py
new file mode 100755
index 00000000000..1750a5fca03
--- /dev/null
+++ b/clang/utils/TestUtils/deep-stack.py
@@ -0,0 +1,24 @@
+#!/usr/bin/env python
+
+def pcall(f, N):
+    if N == 0:
+        print >>f, '    f(0)'
+        return
+
+    print >>f, '    f('
+    pcall(f, N - 1)
+    print >>f, '     )'
+
+def main():
+    f = open('t.c','w')
+    print >>f, 'int f(int n) { return n; }'
+    print >>f, 'int t() {'
+    print >>f, '  return'
+    pcall(f, 10000)
+    print >>f, '  ;'
+    print >>f, '}'
+
+if __name__ == "__main__":
+    import sys
+    sys.setrecursionlimit(100000)
+    main()
diff --git a/clang/utils/pch-test.pl b/clang/utils/TestUtils/pch-test.pl
index 2e17117a2a2..2e17117a2a2 100755
--- a/clang/utils/pch-test.pl
+++ b/clang/utils/TestUtils/pch-test.pl