This patch adds support for -fsanitize=leak and -static-liblsan options.
...
Documentation?
Ian
In case this is a prereq for commit, here is a simple addition to invoke.texi.
-Y
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index 7074a48..960df85 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -454,7 +454,7 @@ Objective-C and Objective-C++ Dialects}.
@gccoptlist{@var{object-file-name} -l@var{library} @gol
-nostartfiles -nodefaultlibs -nostdlib -pie -rdynamic @gol
-s -static -static-libgcc -static-libstdc++ @gol
--static-libasan -static-libtsan -static-libubsan @gol
+-static-libasan -static-libtsan -static-libubsan -static-liblsan @gol
-shared -shared-libgcc -symbolic @gol
-T @var{script} -Wl,@var{option} -Xlinker @var{option} @gol
-u @var{symbol}}
@@ -5303,6 +5303,12 @@ While @option{-ftrapv} causes traps for signed overflows to be emitted,
@option{-fsanitize=undefined} gives a diagnostic message.
This currently works only for the C family of languages.
+@item -fsanitize=leak
+Enable LeakSanitizer, a memory leak detector working on top of AddressSanitizer.
+Heap allocations will be registered and used to detect and report leaks
+on program exit.
+See @uref{http://code.google.com/p/address-sanitizer/wiki/LeakSanitizer} for more details.
+
@item -fdump-final-insns@r{[}=@var{file}@r{]}
@opindex fdump-final-insns
Dump the final internal representation (RTL) to @var{file}. If the
@@ -10227,6 +10233,15 @@ option is not used, then this links against the shared version of
driver to link @file{libubsan} statically, without necessarily linking
other libraries statically.
+@item -static-liblsan
+When the @option{-fsanitize=leak} option is used to link a program,
+the GCC driver automatically links against @option{liblsan}. If
+@file{liblsan} is available as a shared library, and the @option{-static}
+option is not used, then this links against the shared version of
+@file{liblsan}. The @option{-static-liblsan} option directs the GCC
+driver to link @file{liblsan} statically, without necessarily linking
+other libraries statically.
+
@item -static-libstdc++
When the @command{g++} program is used to link a C++ program, it
normally automatically links against @option{libstdc++}. If
