Enable unreachable code warnings for clang

daverodgman · daverodgman · commit 8af037c1c036 · 2023-09-05T15:49:01.000+01:00
Signed-off-by: Dave Rodgman &lt;dave.rodgman@arm.com&gt;
diff --git a/tools/bin/mtest b/tools/bin/mtest
@@ -61,7 +61,7 @@ ASAN_CFLAGS   = "-fsanitize=address -fno-common -fsanitize=undefined -fno-saniti
 ASAN_LDFLAGS  = ASAN_CFLAGS
 
 WARNING_FLAGS = {
-    "clang": "-Werror -Wall -Wextra -Wwrite-strings -Wpointer-arith -Wimplicit-fallthrough -Wshadow -Wvla -Wformat=2 -Wno-format-nonliteral -Wshadow -Wasm-operand-widths",
+    "clang": "-Werror -Wall -Wextra -Wwrite-strings -Wpointer-arith -Wimplicit-fallthrough -Wshadow -Wvla -Wformat=2 -Wno-format-nonliteral -Wshadow -Wasm-operand-widths -Wunreachable-code",
     "gcc"  : "-Werror -Wall -Wextra -Wwrite-strings -Wpointer-arith -Wimplicit-fallthrough -Wshadow -Wvla -Wformat=2 -Wno-format-nonliteral -Wshadow -Wformat-signedness -Wformat-overflow=2 -Wformat-truncation -Wlogical-op"
 }
 WARNING_FLAGS["arm-none-eabi-gcc"] = WARNING_FLAGS["gcc"]

Original file line number	Diff line number	Diff line change
`@@ -61,7 +61,7 @@ ASAN_CFLAGS = "-fsanitize=address -fno-common -fsanitize=undefined -fno-saniti`
`61`	`61`	`ASAN_LDFLAGS = ASAN_CFLAGS`
`62`	`62`
`63`	`63`	`WARNING_FLAGS = {`
`64`		`- "clang": "-Werror -Wall -Wextra -Wwrite-strings -Wpointer-arith -Wimplicit-fallthrough -Wshadow -Wvla -Wformat=2 -Wno-format-nonliteral -Wshadow -Wasm-operand-widths",`
	`64`	`+ "clang": "-Werror -Wall -Wextra -Wwrite-strings -Wpointer-arith -Wimplicit-fallthrough -Wshadow -Wvla -Wformat=2 -Wno-format-nonliteral -Wshadow -Wasm-operand-widths -Wunreachable-code",`
`65`	`65`	`"gcc" : "-Werror -Wall -Wextra -Wwrite-strings -Wpointer-arith -Wimplicit-fallthrough -Wshadow -Wvla -Wformat=2 -Wno-format-nonliteral -Wshadow -Wformat-signedness -Wformat-overflow=2 -Wformat-truncation -Wlogical-op"`
`66`	`66`	`}`
`67`	`67`	`WARNING_FLAGS["arm-none-eabi-gcc"] = WARNING_FLAGS["gcc"]`