8 files changed, 19 insertions, 7 deletions
diff --git a/tests/tcg/aarch64/Makefile.target b/tests/tcg/aarch64/Makefile.target
index 9efe2f81ad..16ddcf4f88 100644
--- a/tests/tcg/aarch64/Makefile.target
+++ b/tests/tcg/aarch64/Makefile.target
@@ -83,7 +83,8 @@ test-aes: CFLAGS += -O -march=armv8-a+aes
 test-aes: test-aes-main.c.inc
 
 # Vector SHA1
-sha1-vector: CFLAGS=-O3
+# Work around compiler false-positive warning, as we do for the 'sha1' test
+sha1-vector: CFLAGS=-O3 -Wno-stringop-overread
 sha1-vector: sha1.c
 	$(CC) $(CFLAGS) $(EXTRA_CFLAGS) $< -o $@ $(LDFLAGS)
 run-sha1-vector: sha1-vector run-sha1
diff --git a/tests/tcg/arm/Makefile.target b/tests/tcg/arm/Makefile.target
index 99a953b667..6189d7a0e2 100644
--- a/tests/tcg/arm/Makefile.target
+++ b/tests/tcg/arm/Makefile.target
@@ -61,7 +61,8 @@ endif
 ARM_TESTS += commpage
 
 # Vector SHA1
-sha1-vector: CFLAGS=-O3
+# Work around compiler false-positive warning, as we do for the 'sha1' test
+sha1-vector: CFLAGS=-O3 -Wno-stringop-overread
 sha1-vector: sha1.c
 	$(CC) $(CFLAGS) $(EXTRA_CFLAGS) $< -o $@ $(LDFLAGS)
 run-sha1-vector: sha1-vector run-sha1
diff --git a/tests/tcg/i386/Makefile.target b/tests/tcg/i386/Makefile.target
index bbe2c44b2a..f1df40411b 100644
--- a/tests/tcg/i386/Makefile.target
+++ b/tests/tcg/i386/Makefile.target
@@ -22,7 +22,7 @@ run-test-i386-sse-exceptions: QEMU_OPTS += -cpu max
 test-i386-pcmpistri: CFLAGS += -msse4.2
 run-test-i386-pcmpistri: QEMU_OPTS += -cpu max
 
-test-i386-bmi2: CFLAGS=-O2
+test-i386-bmi2: CFLAGS=-O2 -fwrapv
 run-test-i386-bmi2: QEMU_OPTS += -cpu max
 
 test-i386-adcox: CFLAGS=-O2
diff --git a/tests/tcg/i386/test-avx.c b/tests/tcg/i386/test-avx.c
index 230e6d84b8..80fe363cfc 100644
--- a/tests/tcg/i386/test-avx.c
+++ b/tests/tcg/i386/test-avx.c
@@ -244,7 +244,7 @@ v4di indexd = {0x00000002ffffffcdull, 0xfffffff500000010ull,
                0x0000003afffffff0ull, 0x000000000000000eull};
 
 v4di gather_mem[0x20];
-_Static_assert(sizeof(gather_mem) == 1024);
+_Static_assert(sizeof(gather_mem) == 1024, "gather_mem not expected size");
 
 void init_f16reg(v4di *r)
 {
diff --git a/tests/tcg/i386/test-i386-adcox.c b/tests/tcg/i386/test-i386-adcox.c
index 16169efff8..a717064adb 100644
--- a/tests/tcg/i386/test-i386-adcox.c
+++ b/tests/tcg/i386/test-i386-adcox.c
@@ -29,7 +29,7 @@ void test_adox_adcx(uint32_t in_c, uint32_t in_o, REG adcx_operand, REG adox_ope
         "adcx %3, %1;"
         "pushf; pop %0"
         : "+r" (flags), "+r" (out_adcx), "+r" (out_adox)
-        : "r" ((REG)-1), "0" (flags), "1" (out_adcx), "2" (out_adox));
+        : "r" ((REG) - 1), "0" (flags), "1" (out_adcx), "2" (out_adox));
 
     assert(out_adcx == in_c + adcx_operand - 1);
     assert(out_adox == in_o + adox_operand - 1);
@@ -53,8 +53,8 @@ void test_adcx_adox(uint32_t in_c, uint32_t in_o, REG adcx_operand, REG adox_ope
         "adcx %3, %1;"
         "adox %3, %2;"
         "pushf; pop %0"
-        : "+r" (flags), "+r" (out_adcx), "+r" (out_adox)
-        : "r" ((REG)-1), "0" (flags), "1" (out_adcx), "2" (out_adox));
+        : "+r"(flags), "+r"(out_adcx), "+r"(out_adox)
+        : "r" ((REG)-1));
 
     assert(out_adcx == in_c + adcx_operand - 1);
     assert(out_adox == in_o + adox_operand - 1);
diff --git a/tests/tcg/multiarch/Makefile.target b/tests/tcg/multiarch/Makefile.target
index 688a6be203..45c9cfe18c 100644
--- a/tests/tcg/multiarch/Makefile.target
+++ b/tests/tcg/multiarch/Makefile.target
@@ -45,6 +45,14 @@ vma-pthread: LDFLAGS+=-pthread
 sigreturn-sigmask: CFLAGS+=-pthread
 sigreturn-sigmask: LDFLAGS+=-pthread
 
+# GCC versions 12/13/14/15 at least incorrectly complain about
+# "'SHA1Transform' reading 64 bytes from a region of size 0"; see the gcc bug
+# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106709
+# Since this is just a standard piece of library code we've borrowed for a
+# TCG test case, suppress the warning rather than trying to modify the
+# code to work around the compiler.
+sha1: CFLAGS+=-Wno-stringop-overread -Wno-unknown-warning-option
+
 # The vma-pthread seems very sensitive on gitlab and we currently
 # don't know if its exposing a real bug or the test is flaky.
 ifneq ($(GITLAB_CI),)
diff --git a/tests/tcg/multiarch/test-vma.c b/tests/tcg/multiarch/linux/test-vma.c
index 2893d60334..2893d60334 100644
--- a/tests/tcg/multiarch/test-vma.c
+++ b/tests/tcg/multiarch/linux/test-vma.c
diff --git a/tests/tcg/plugins/meson.build b/tests/tcg/plugins/meson.build
index 87a17d67bd..c8cb0626a6 100644
--- a/tests/tcg/plugins/meson.build
+++ b/tests/tcg/plugins/meson.build
@@ -19,3 +19,5 @@ if t.length() > 0
 else
   run_target('test-plugins', command: find_program('true'))
 endif
+
+plugin_modules += t