diff --git a/valgrind-3.14.0-rsp-clobber.patch b/valgrind-3.14.0-rsp-clobber.patch
new file mode 100644
index 0000000..1400f0b
--- /dev/null
+++ b/valgrind-3.14.0-rsp-clobber.patch
@@ -0,0 +1,35 @@
+commit 022f5af61bc3cbfa2b74ab355b0d2d30b3dab027
+Author: Khem Raj <raj.khem@gmail.com>
+Date:   Sat Dec 22 15:28:40 2018 -0800
+
+    tests/amd64: Do not clobber %rsp register
+    
+    This is seen with gcc-9.0 compiler now which is fix that gcc community
+    did recently
+    https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52813
+    
+    Signed-off-by: Khem Raj <raj.khem@gmail.com>
+
+diff --git a/none/tests/amd64-linux/bug345887.c b/none/tests/amd64-linux/bug345887.c
+index 0f9237d..269bd70 100644
+--- a/none/tests/amd64-linux/bug345887.c
++++ b/none/tests/amd64-linux/bug345887.c
+@@ -20,13 +20,17 @@ static void inner(void)
+       "movq $0x10d, %%r14\n"
+       "movq $0x10e, %%r15\n"
+       // not %rbp as mdb is then not able to reconstruct stack trace
++      // Do change %rsp (to test a bogus stack pointer),
++      // but don't add %rsp to the clobber list since gcc ignores it
++      // and since gcc >= 9.0 errors about it
++      // see https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52813
+       "movq $0x10f, %%rsp\n"
+       "movq $0x1234, (%%rax)\n"  // should cause SEGV here
+       "ud2"                      // should never get here
+       : // no output registers
+       : // no input registers
+       : "memory", "%rax", "%rbx", "%rcx", "%rdx", "%rsi", "%rdi",
+-        "%r8", "%r9", "%r10", "%r11", "%r12", "%r13", "%r14", "%r15", "%rsp");
++        "%r8", "%r9", "%r10", "%r11", "%r12", "%r13", "%r14", "%r15");
+ }
+ 
+ __attribute__((noinline))
diff --git a/valgrind.spec b/valgrind.spec
index ee02b21..b833a97 100644
--- a/valgrind.spec
+++ b/valgrind.spec
@@ -167,6 +167,9 @@ Patch32: valgrind-3.14.0-x86-Iop_Sar64.patch
 # KDE#402519 POWER 3.0 addex instruction incorrectly implemented
 Patch33: valgrind-3.14.0-power9-addex.patch
 
+# KDE#402480  Do not use %rsp in clobber list
+Patch34: valgrind-3.14.0-rsp-clobber.patch
+
 
 %if %{build_multilib}
 # Ensure glibc{,-devel} is installed for both multilib arches
@@ -333,6 +336,7 @@ Valgrind User Manual for details.
 %patch31 -p1
 %patch32 -p1
 %patch33 -p1
+%patch34 -p1
 
 %build
 CC=gcc
@@ -567,6 +571,9 @@ fi
 %endif
 
 %changelog
+* Wed Jan  9 2019 Mark Wielaard <mjw@fedoraproject.org>
+- Add valgrind-3.14.0-rsp-clobber.patch
+
 * Mon Dec 31 2018 Mark Wielaard <mjw@fedoraproject.org> - 3.14.0-9
 - Add valgrind-3.14.0-vbit-test-sec.patch
 - Add valgrind-3.14.0-x86-Iop_Sar64.patch