From 4f684ed6b96e64df16751b09ed0c09e46fe05ad6 Mon Sep 17 00:00:00 2001
From: Julian Seward <jseward@acm.org>
Date: Tue, 4 Apr 2006 17:35:48 +0000
Subject: [PATCH] Test program which uses templates to generate very long stabs
 (debug info) strings.  This crashes 3.1.1 when the test is compiled with
 -gstabs.

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@5826
---
 memcheck/tests/Makefile.am               |  5 +++
 memcheck/tests/deep_templates.cpp        | 49 ++++++++++++++++++++++++
 memcheck/tests/deep_templates.stderr.exp |  0
 memcheck/tests/deep_templates.stdout.exp |  1 +
 memcheck/tests/deep_templates.vgtest     |  2 +
 5 files changed, 57 insertions(+)
 create mode 100644 memcheck/tests/deep_templates.cpp
 create mode 100644 memcheck/tests/deep_templates.stderr.exp
 create mode 100644 memcheck/tests/deep_templates.stdout.exp
 create mode 100644 memcheck/tests/deep_templates.vgtest

diff --git a/memcheck/tests/Makefile.am b/memcheck/tests/Makefile.am
index b70686995c..28bf2d20b8 100644
--- a/memcheck/tests/Makefile.am
+++ b/memcheck/tests/Makefile.am
@@ -38,6 +38,8 @@ EXTRA_DIST = $(noinst_SCRIPTS) \
 	clientperm.stderr.exp \
 	clientperm.stdout.exp clientperm.vgtest \
 	custom_alloc.stderr.exp custom_alloc.vgtest \
+	deep_templates.vgtest \
+	deep_templates.stdout.exp deep_templates.stderr.exp \
 	describe-block.stderr.exp describe-block.vgtest \
 	doublefree.stderr.exp doublefree.vgtest \
 	erringfds.stderr.exp erringfds.stdout.exp erringfds.vgtest \
@@ -137,6 +139,7 @@ check_PROGRAMS = \
 	badaddrvalue badfree badjump badjump2 \
 	badloop badpoll badrw brk brk2 buflen_check \
 	clientperm custom_alloc \
+	deep_templates \
 	describe-block \
 	doublefree error_counts errs1 exitprog execve execve2 erringfds \
 	fprw fwrite hello inits inline \
@@ -192,6 +195,8 @@ supp2_SOURCES		= supp.c
 mismatches_SOURCES	= mismatches.cpp
 new_nothrow_SOURCES 	= new_nothrow.cpp
 new_override_SOURCES 	= new_override.cpp
+deep_templates_SOURCES	= deep_templates.cpp
+deep_templates_CXXFLAGS	= $(AM_FLAG_M3264_PRI) $(AM_CFLAGS) -O -gstabs
 
 # Build shared object for wrap7
 wrap7_SOURCES           = wrap7.c
diff --git a/memcheck/tests/deep_templates.cpp b/memcheck/tests/deep_templates.cpp
new file mode 100644
index 0000000000..448bcb95fa
--- /dev/null
+++ b/memcheck/tests/deep_templates.cpp
@@ -0,0 +1,49 @@
+
+/* Point of this test is to generate some very long 'stabs' debug
+   strings, via the use of these exponentially large template types.
+   When compiled with -gstabs, this causes 3.1.1 to segfault at
+   startup.
+*/
+
+#include <stdio.h>
+
+template <class T, class U>
+class Stack
+{
+   public:
+      Stack(int = 10) { size=5; top=6; stackPtr=(T*)6;  }; 
+      ~Stack() { }
+      int push(const T&, const U&); 
+      int popT(T&);
+      int popU(U&);
+      int isEmpty() const { return top == -1; } 
+      int isFull() const { return top == size - 1; } 
+   private:
+      int size;
+      int top;  
+      T* stackPtr;  
+} ;
+
+typedef  Stack<int,char>  Foo;
+typedef  Stack<Foo,Foo>  Foo2;
+typedef  Stack<Foo2,Foo2> Foo3;
+typedef  Stack<Foo3,Foo3> Foo4;
+typedef  Stack<Foo4,Foo4> Foo5;
+typedef  Stack<Foo5,Foo5> Foo6;
+typedef  Stack<Foo6,Foo6> Foo7;
+typedef  Stack<Foo7,Foo7> Foo8;
+typedef  Stack<Foo8,Foo8> Foo9;
+typedef  Stack<Foo9,Foo9> Foo10;
+typedef  Stack<Foo10,Foo10> Foo11;
+typedef  Stack<Foo11,Foo11> Foo12;
+
+int main ( char* argc, char** argv )
+{
+  Stack<Foo12,Foo12> * x = new Stack<Foo12,Foo12>(3);
+  if (x == NULL)
+    printf("It's NULL (?!)\n");
+  else
+    printf("It's not NULL.  How DULL.\n");
+  delete x;
+  return 0;
+}
diff --git a/memcheck/tests/deep_templates.stderr.exp b/memcheck/tests/deep_templates.stderr.exp
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/memcheck/tests/deep_templates.stdout.exp b/memcheck/tests/deep_templates.stdout.exp
new file mode 100644
index 0000000000..33820a0c36
--- /dev/null
+++ b/memcheck/tests/deep_templates.stdout.exp
@@ -0,0 +1 @@
+It's not NULL.  How DULL.
diff --git a/memcheck/tests/deep_templates.vgtest b/memcheck/tests/deep_templates.vgtest
new file mode 100644
index 0000000000..f243fe128c
--- /dev/null
+++ b/memcheck/tests/deep_templates.vgtest
@@ -0,0 +1,2 @@
+prog: deep_templates
+vgopts: -q
-- 
2.47.2