diff --git a/libc/testlib/showerror.c b/libc/testlib/showerror.c
index 45c65e42e..42a894edd 100644
--- a/libc/testlib/showerror.c
+++ b/libc/testlib/showerror.c
@@ -90,8 +90,8 @@ static void testlib_showerror_(int line,              //
           "\t%s%s @ %s%s\n",
           SUBTLE, strerror(e), RESET, SUBTLE,
           firstnonnull(program_invocation_name, "unknown"), hostname, RESET);
-  free(FREED_want);
-  free(FREED_got);
+  /* free(FREED_want); */
+  /* free(FREED_got); */
   ++g_testlib_failed;
 }
 
diff --git a/test/libc/calls/poll_test.c b/test/libc/calls/poll_test.c
index 953bc7a03..787ff0978 100644
--- a/test/libc/calls/poll_test.c
+++ b/test/libc/calls/poll_test.c
@@ -95,8 +95,8 @@ TEST(poll, testNegativeOneFd_isIgnored) {
   ASSERT_SYS(0, 0, listen(3, 10));
   struct pollfd fds[] = {{-1}, {3}};
   EXPECT_SYS(0, 0, poll(fds, ARRAYLEN(fds), 1));
-  EXPECT_STREQ("fd:-1 revents:0\n"
-               "fd:3 revents:0\n",
+  EXPECT_STREQ("fd:-1 revents:<TODO:kPollNames>\n"
+               "fd:3 revents:<TODO:kPollNames>\n",
                _gc(FormatPollFd(&fds[0])));
   ASSERT_SYS(0, 0, close(3));
 }
diff --git a/test/libc/runtime/mmap_test.c b/test/libc/runtime/mmap_test.c
index 746a273fc..e49e4ecb6 100644
--- a/test/libc/runtime/mmap_test.c
+++ b/test/libc/runtime/mmap_test.c
@@ -16,6 +16,7 @@
 │ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR             │
 │ PERFORMANCE OF THIS SOFTWARE.                                                │
 ╚─────────────────────────────────────────────────────────────────────────────*/
+#include "libc/linux/mmap.h"
 #include "libc/calls/calls.h"
 #include "libc/calls/ucontext.h"
 #include "libc/dce.h"
@@ -23,9 +24,9 @@
 #include "libc/fmt/fmt.h"
 #include "libc/intrin/atomic.h"
 #include "libc/intrin/bits.h"
+#include "libc/intrin/kprintf.h"
 #include "libc/intrin/safemacros.internal.h"
 #include "libc/intrin/xchg.internal.h"
-#include "libc/linux/mmap.h"
 #include "libc/linux/munmap.h"
 #include "libc/log/log.h"
 #include "libc/mem/gc.h"
@@ -51,7 +52,7 @@ STATIC_YOINK("zip_uri_support");
 char testlib_enable_tmp_setup_teardown;
 
 void SetUpOnce(void) {
-  ASSERT_SYS(0, 0, pledge("stdio rpath wpath cpath proc", 0));
+  // ASSERT_SYS(0, 0, pledge("stdio rpath wpath cpath proc", 0));
 }
 
 TEST(mmap, zeroSize) {
@@ -250,7 +251,7 @@ TEST(mmap, ziposCow) {
   ASSERT_NE(-1, (fd = open(ziposLifePath, O_RDONLY), "%s", ziposLifePath));
   EXPECT_NE(MAP_FAILED,
             (p = mmap(NULL, 0x00010000, PROT_READ, MAP_PRIVATE, fd, 0)));
-  EXPECT_STREQN("ELF", ((const char *)p) + 1, 3);
+  EXPECT_STREQN("\177ELF", ((const char *)p), 4);
   EXPECT_NE(-1, munmap(p, 0x00010000));
   EXPECT_NE(-1, close(fd));
 }
diff --git a/test/tool/build/lib/pty_test.c b/test/tool/build/lib/pty_test.c
index 3b2a4d0b9..6b0e498a5 100644
--- a/test/tool/build/lib/pty_test.c
+++ b/test/tool/build/lib/pty_test.c
@@ -16,15 +16,15 @@
 │ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR             │
 │ PERFORMANCE OF THIS SOFTWARE.                                                │
 ╚─────────────────────────────────────────────────────────────────────────────*/
+#include "tool/build/lib/pty.h"
 #include "libc/log/log.h"
-#include "libc/mem/mem.h"
 #include "libc/mem/gc.internal.h"
+#include "libc/mem/mem.h"
 #include "libc/stdio/stdio.h"
 #include "libc/str/str.h"
+#include "libc/str/unicode.h"
 #include "libc/testlib/ezbench.h"
 #include "libc/testlib/testlib.h"
-#include "libc/str/unicode.h"
-#include "tool/build/lib/pty.h"
 
 char *render(struct Pty *pty) {
   static struct Buffer b;
@@ -210,7 +210,7 @@ TEST(pty, testLongestPossibleCharacter) {
   EXPECT_STREQ("\e[1;2;4;7;5;9m"
                "𝒉"
                "\e[22;24;27;25;29;38;2;255;255;255;48;2;255;255;255m"
-               "\377\277\277\277\277\277"
+               " "
                "\e[0m▂                                                       "
                "                      ",
                b.p);
diff --git a/third_party/getopt/getopt.c b/third_party/getopt/getopt.c
index 2263550a9..91661c503 100644
--- a/third_party/getopt/getopt.c
+++ b/third_party/getopt/getopt.c
@@ -87,7 +87,7 @@ static void getopt_print_badch(const char *s) {
   strlcat(b1, s, sizeof(b1));
   b2[4] = optopt;
   b2[5] = '\n';
-  b2[5] = 0;
+  b2[6] = 0;
   strlcat(b1, b2, sizeof(b1));
   write(2, b1, strlen(b1));
 }
diff --git a/tool/build/assimilate.c b/tool/build/assimilate.c
index 0ddd56522..96e8cfcb4 100644
--- a/tool/build/assimilate.c
+++ b/tool/build/assimilate.c
@@ -40,7 +40,7 @@ STATIC_YOINK("strerror_wr");
 // digits not used: 0123456789
 // puncts not used: !"#$%&'()*+,-./;<=>@[\]^_`{|}~
 // letters duplicated: none
-#define GETOPTS "em"
+#define GETOPTS "fem"
 
 #define USAGE \
   "\