diff --git a/tests/local.at b/tests/local.at
index 3317b1da..56f8e11a 100644
--- a/tests/local.at
+++ b/tests/local.at
@@ -881,7 +881,7 @@ int fortytwo ()
 AT_COMPILE([c-only.o], [c-only.c])
 AT_COMPILE_CXX([cxx-only.o], [cxx-only.cc])
 AT_CHECK([$CXX $CXXFLAGS $CPPFLAGS $LDFLAGS c-only.o cxx-only.o -o c-and-cxx ||
-          exit 77], [ignore], [ignore])
+          exit 77], [0], [ignore], [ignore])
 AT_PARSER_CHECK([./c-and-cxx])
 ])
 
diff --git a/tests/synclines.at b/tests/synclines.at
index 45bac3c0..fb1b6725 100644
--- a/tests/synclines.at
+++ b/tests/synclines.at
@@ -391,6 +391,17 @@ m4_pushdef([AT_TEST],
 [AT_SETUP([syncline escapes: $1])
 
 AT_BISON_OPTION_PUSHDEFS([%skeleton "$1"])
+
+# ICC is unable to handle these file names: it fails to pass them
+# properly to the linker, and is unable to save a file named this way.
+# Don't try with such compilers.
+AT_DATA([\"\\\"\".c],
+[[int main() { return 0; }
+]])
+
+AT_CHECK([AT_SKEL_CC_IF([$CXX $CXXFLAGS], [$CC $CFLAGS]) $CPPFLAGS \"\\\"\".c -o \"\\\"\" ||
+          exit 77], [0], [ignore], [ignore])
+
 AT_DATA_GRAMMAR([\"\\\"\".y],
 [[%skeleton "$1"
 %code {