On ppc64*, R2 is the TOC pointer, should not be considered a

    scratch register, and thus should not be in the clobber list.

    This is called out in newer GCC releases and triggers a

    compile time error.

    Thusly, remove R2 from the clobber list.

diff --git a/coregrind/m_debuglog.c b/coregrind/m_debuglog.c

index dc6e26d..be77680 100644

--- a/coregrind/m_debuglog.c

+++ b/coregrind/m_debuglog.c

@@ -215,7 +215,7 @@ static UInt local_sys_write_stderr ( const HChar* buf, Int n )

       :

       : "b" (block)

       : "cc","memory","cr0","ctr",

-        "r0","r2","r3","r4","r5","r6","r7","r8","r9","r10","r11","r12"

+        "r0","r3","r4","r5","r6","r7","r8","r9","r10","r11","r12"

    );

    if (block[0] < 0)

       block[0] = -1;

@@ -231,7 +231,7 @@ static UInt local_sys_getpid ( void )

       : "=&r" (__res)

       : "i" (__NR_getpid)

       : "cc","memory","cr0","ctr",

-        "r0","r2","r4","r5","r6","r7","r8","r9","r10","r11","r12"

+        "r0","r4","r5","r6","r7","r8","r9","r10","r11","r12"

    );

    return (UInt)__res;

 }

diff --git a/include/valgrind.h b/include/valgrind.h

index 6892007..d2e7c38 100644

--- a/include/valgrind.h

+++ b/include/valgrind.h

@@ -2708,7 +2708,7 @@ typedef

 #define __CALLER_SAVED_REGS                                       \

    "lr", "ctr", "xer",                                            \

    "cr0", "cr1", "cr2", "cr3", "cr4", "cr5", "cr6", "cr7",        \

-   "r0", "r2", "r3", "r4", "r5", "r6", "r7", "r8", "r9", "r10",   \

+   "r0", "r3", "r4", "r5", "r6", "r7", "r8", "r9", "r10",         \

    "r11", "r12", "r13"

 /* Macros to save and align the stack before making a function

@@ -3264,7 +3264,7 @@ typedef

 #define __CALLER_SAVED_REGS                                       \

    "lr", "ctr", "xer",                                            \

    "cr0", "cr1", "cr2", "cr3", "cr4", "cr5", "cr6", "cr7",        \

-   "r0", "r2", "r3", "r4", "r5", "r6", "r7", "r8", "r9", "r10",   \

+   "r0", "r3", "r4", "r5", "r6", "r7", "r8", "r9", "r10",         \

    "r11", "r12", "r13"

 /* Macros to save and align the stack before making a function