diff --git a/tests/syntax/const-assignments.c b/tests/syntax/const-assignments.c
index caa00564dc0548a83057048cafe084a1d51d0e8e..fbe73e72e7bf26d24cdedecda4f746e0a7fc88f9 100644
--- a/tests/syntax/const-assignments.c
+++ b/tests/syntax/const-assignments.c
@@ -12,6 +12,7 @@
    STDOPT: +" -cpp-extra-args=-DT7"
  EXIT:1
    STDOPT: +" -cpp-extra-args=-DT8"
+   STDOPT: +" -cpp-extra-args=-DT9" +"-kernel-warn-key typing:incompatible-types-call=abort"
 */
 /* The first run is correct. The others should fail, as they include invalid
    assignments to const lvalues. */
@@ -103,9 +104,11 @@ void mutable_test_call(__attribute__((__fc_initialized_object)) const S* s) {
   int a = 1;
   k1(a + (s + 2));
   k2(&(s + 2)->y);
+#ifdef T9
   /* KO: although s has the __fc_initialized_object attribute, z[0] has not (and
      cannot) and y is const. */
   k2(&s->z[0]->y);
+#endif
 }
 
 #ifdef T8
diff --git a/tests/syntax/oracle/const-assignments.0.res.oracle b/tests/syntax/oracle/const-assignments.0.res.oracle
index 8e1f025840a55596efdf118439d9065a193710a9..de3d0783c7c8bdccc47d733735a199338ff9816e 100644
--- a/tests/syntax/oracle/const-assignments.0.res.oracle
+++ b/tests/syntax/oracle/const-assignments.0.res.oracle
@@ -1,6 +1,4 @@
 [kernel] Parsing const-assignments.c (with preprocessing)
-[kernel:typing:incompatible-types-call] const-assignments.c:108: Warning: 
-  expected 'int *' but got argument of type 'int const *': & (s->z[0])->y
 /* Generated by Frama-C */
 struct S {
    int x ;
@@ -45,7 +43,6 @@ void mutable_test_call(S const *s)
   int a = 1;
   k1((S *)((s + 2) + a));
   k2((int *)(& (s + 2)->y));
-  k2((int *)(& (s->z[0])->y));
   return;
 }
 
diff --git a/tests/syntax/oracle/const-assignments.1.res.oracle b/tests/syntax/oracle/const-assignments.1.res.oracle
index 195e9432c3555aca11aa92de91a32b05d21cf62e..038ab482208c4f531c62dc10d5e6c86f1d9c1e49 100644
--- a/tests/syntax/oracle/const-assignments.1.res.oracle
+++ b/tests/syntax/oracle/const-assignments.1.res.oracle
@@ -1,5 +1,5 @@
 [kernel] Parsing const-assignments.c (with preprocessing)
-[kernel] const-assignments.c:21: User Error: 
+[kernel] const-assignments.c:22: User Error: 
   Cannot assign to non-modifiable lval x
 [kernel] User Error: stopping on file "const-assignments.c" that has errors. Add
   '-kernel-msg-key pp' for preprocessing command.
diff --git a/tests/syntax/oracle/const-assignments.10.res.oracle b/tests/syntax/oracle/const-assignments.10.res.oracle
new file mode 100644
index 0000000000000000000000000000000000000000..aaee700de3e0333d391e2524439b518ab3b5d152
--- /dev/null
+++ b/tests/syntax/oracle/const-assignments.10.res.oracle
@@ -0,0 +1,7 @@
+[kernel] Parsing const-assignments.c (with preprocessing)
+[kernel:typing:incompatible-types-call] const-assignments.c:110: Warning: 
+  expected 'int *' but got argument of type 'int const *': & (s->z[0])->y
+[kernel] User Error: warning typing:incompatible-types-call treated as fatal error.
+[kernel] User Error: stopping on file "const-assignments.c" that has errors. Add
+  '-kernel-msg-key pp' for preprocessing command.
+[kernel] Frama-C aborted: invalid user input.
diff --git a/tests/syntax/oracle/const-assignments.2.res.oracle b/tests/syntax/oracle/const-assignments.2.res.oracle
index e253406148ecb9fe1f8e77d7a0fb8e4bd88414a6..67303a701fca626253759917c6a8d7ef31be47fa 100644
--- a/tests/syntax/oracle/const-assignments.2.res.oracle
+++ b/tests/syntax/oracle/const-assignments.2.res.oracle
@@ -1,5 +1,5 @@
 [kernel] Parsing const-assignments.c (with preprocessing)
-[kernel] const-assignments.c:27: User Error: 
+[kernel] const-assignments.c:28: User Error: 
   Cannot assign to non-modifiable lval x
 [kernel] User Error: stopping on file "const-assignments.c" that has errors. Add
   '-kernel-msg-key pp' for preprocessing command.
diff --git a/tests/syntax/oracle/const-assignments.3.res.oracle b/tests/syntax/oracle/const-assignments.3.res.oracle
index 33c4bad33a33015d727a3c3a3f5dae7fbca66b67..79768f7799b608b775963b5a3463710cdcb47635 100644
--- a/tests/syntax/oracle/const-assignments.3.res.oracle
+++ b/tests/syntax/oracle/const-assignments.3.res.oracle
@@ -1,5 +1,5 @@
 [kernel] Parsing const-assignments.c (with preprocessing)
-[kernel] const-assignments.c:33: User Error: 
+[kernel] const-assignments.c:34: User Error: 
   Cannot assign to non-modifiable lval x
 [kernel] User Error: stopping on file "const-assignments.c" that has errors. Add
   '-kernel-msg-key pp' for preprocessing command.
diff --git a/tests/syntax/oracle/const-assignments.4.res.oracle b/tests/syntax/oracle/const-assignments.4.res.oracle
index 8c9c93e9c82c5e04902d4a665fb2d152e612fcb8..0ae872708907a5410141a74efc231c127126d7e8 100644
--- a/tests/syntax/oracle/const-assignments.4.res.oracle
+++ b/tests/syntax/oracle/const-assignments.4.res.oracle
@@ -1,5 +1,5 @@
 [kernel] Parsing const-assignments.c (with preprocessing)
-[kernel] const-assignments.c:39: User Error: 
+[kernel] const-assignments.c:40: User Error: 
   Cannot assign to non-modifiable lval x
 [kernel] User Error: stopping on file "const-assignments.c" that has errors. Add
   '-kernel-msg-key pp' for preprocessing command.
diff --git a/tests/syntax/oracle/const-assignments.5.res.oracle b/tests/syntax/oracle/const-assignments.5.res.oracle
index b7aa22f538e9eae22eea1cab7b0bfc7fa9dfe983..395f59284a48ac86eca556a12c95f23a5078c816 100644
--- a/tests/syntax/oracle/const-assignments.5.res.oracle
+++ b/tests/syntax/oracle/const-assignments.5.res.oracle
@@ -1,5 +1,5 @@
 [kernel] Parsing const-assignments.c (with preprocessing)
-[kernel] const-assignments.c:46: User Error: 
+[kernel] const-assignments.c:47: User Error: 
   Cannot assign to non-modifiable lval x_0
 [kernel] User Error: stopping on file "const-assignments.c" that has errors. Add
   '-kernel-msg-key pp' for preprocessing command.
diff --git a/tests/syntax/oracle/const-assignments.6.res.oracle b/tests/syntax/oracle/const-assignments.6.res.oracle
index f05bcf02955448caf41e171a2b5bc9a506be37ae..349d3259223c8124771466cdf8c806797e50d91a 100644
--- a/tests/syntax/oracle/const-assignments.6.res.oracle
+++ b/tests/syntax/oracle/const-assignments.6.res.oracle
@@ -1,5 +1,5 @@
 [kernel] Parsing const-assignments.c (with preprocessing)
-[kernel] const-assignments.c:52: User Error: 
+[kernel] const-assignments.c:53: User Error: 
   Cannot assign to non-modifiable lval *x_0
 [kernel] User Error: stopping on file "const-assignments.c" that has errors. Add
   '-kernel-msg-key pp' for preprocessing command.
diff --git a/tests/syntax/oracle/const-assignments.7.res.oracle b/tests/syntax/oracle/const-assignments.7.res.oracle
index 28fb4fda51942323ab613869ae6b9fff453bbeee..f397d365bcaad40d3e5369fe61c74f07918b368c 100644
--- a/tests/syntax/oracle/const-assignments.7.res.oracle
+++ b/tests/syntax/oracle/const-assignments.7.res.oracle
@@ -1,8 +1,6 @@
 [kernel] Parsing const-assignments.c (with preprocessing)
-[kernel:typing:incompatible-types-call] const-assignments.c:60: Warning: 
+[kernel:typing:incompatible-types-call] const-assignments.c:61: Warning: 
   expected 'int *' but got argument of type 'int const *': & x
-[kernel:typing:incompatible-types-call] const-assignments.c:108: Warning: 
-  expected 'int *' but got argument of type 'int const *': & (s->z[0])->y
 /* Generated by Frama-C */
 struct S {
    int x ;
@@ -53,7 +51,6 @@ void mutable_test_call(S const *s)
   int a = 1;
   k1((S *)((s + 2) + a));
   k2((int *)(& (s + 2)->y));
-  k2((int *)(& (s->z[0])->y));
   return;
 }
 
diff --git a/tests/syntax/oracle/const-assignments.8.res.oracle b/tests/syntax/oracle/const-assignments.8.res.oracle
index ee37293dbcb604246197f3309fd0e31ace6a5be5..281cae543fca4f7190a43e578eced91b459f2ba8 100644
--- a/tests/syntax/oracle/const-assignments.8.res.oracle
+++ b/tests/syntax/oracle/const-assignments.8.res.oracle
@@ -1,8 +1,6 @@
 [kernel] Parsing const-assignments.c (with preprocessing)
-[kernel:typing:incompatible-types-call] const-assignments.c:66: Warning: 
+[kernel:typing:incompatible-types-call] const-assignments.c:67: Warning: 
   expected 'int *' but got argument of type 'int const *': x_0
-[kernel:typing:incompatible-types-call] const-assignments.c:108: Warning: 
-  expected 'int *' but got argument of type 'int const *': & (s->z[0])->y
 /* Generated by Frama-C */
 struct S {
    int x ;
@@ -53,7 +51,6 @@ void mutable_test_call(S const *s)
   int a = 1;
   k1((S *)((s + 2) + a));
   k2((int *)(& (s + 2)->y));
-  k2((int *)(& (s->z[0])->y));
   return;
 }
 
diff --git a/tests/syntax/oracle/const-assignments.9.res.oracle b/tests/syntax/oracle/const-assignments.9.res.oracle
index ec0fc31a9236c7dba702341a780aba577ec3237d..7d532fb832d1b38c4f5eba24de67bdaf9429055c 100644
--- a/tests/syntax/oracle/const-assignments.9.res.oracle
+++ b/tests/syntax/oracle/const-assignments.9.res.oracle
@@ -1,7 +1,5 @@
 [kernel] Parsing const-assignments.c (with preprocessing)
-[kernel:typing:incompatible-types-call] const-assignments.c:108: Warning: 
-  expected 'int *' but got argument of type 'int const *': & (s->z[0])->y
-[kernel] const-assignments.c:118: User Error: 
+[kernel] const-assignments.c:121: User Error: 
   Cannot assign to non-modifiable lval t->s.y
 [kernel] User Error: stopping on file "const-assignments.c" that has errors. Add
   '-kernel-msg-key pp' for preprocessing command.