Consistently use the --pdb= form in scripts

Stop using the separate argument form (-Wl,-pdb,<filename>), and
prefer using the option form with an implicit output name.

Dockerfile.dev

@@ -146,7 +146,7 @@ RUN cd test && \
             ;; \
         esac && \
         for test in stacksmash; do \
-            $arch-w64-mingw32-clang $test.c -o $arch/$test-asan.exe -fsanitize=address -g -gcodeview -Wl,-pdb,$arch/$test-asan.pdb || exit 1; \
+            $arch-w64-mingw32-clang $test.c -o $arch/$test-asan.exe -fsanitize=address -g -gcodeview -Wl,--pdb= || exit 1; \
         done; \
         for test in ubsan; do \
             $arch-w64-mingw32-clang $test.c -o $arch/$test.exe -fsanitize=undefined -fno-sanitize-recover=all || exit 1; \

run-lldb-tests.sh

@@ -45,7 +45,7 @@ mkdir -p $TEST_DIR
 $CXX hello-exception.cpp -o $TEST_DIR/hello-exception-dwarf.exe -g
 
 # Build an executable with PDB debug info
-$CXX hello-exception.cpp -o $TEST_DIR/hello-exception-pdb.exe -g -gcodeview -Wl,-pdb=
+$CXX hello-exception.cpp -o $TEST_DIR/hello-exception-pdb.exe -g -gcodeview -Wl,--pdb=
 # Strip the executable that uses pdb; the crt startup files and mingw static
 # library object files have dwarf debug info, so the binary has got a bit of
 # both, and lldb would choose to use the dwarf parts unless we strip it.

run-tests.sh

@@ -231,7 +231,7 @@ for arch in $ARCHS; do
         i686|x86_64) ;;
         *) continue ;;
         esac
-        $arch-w64-mingw32-clang $test.c -o $TEST_DIR/$test-asan.exe -fsanitize=address -g -gcodeview -Wl,-pdb,$TEST_DIR/$test-asan.pdb
+        $arch-w64-mingw32-clang $test.c -o $TEST_DIR/$test-asan.exe -fsanitize=address -g -gcodeview -Wl,--pdb=
         # Only run these tests on native windows; asan doesn't run in wine.
         if [ -n "$NATIVE" ]; then
             TESTS_EXTRA="$TESTS_EXTRA $test-asan"
@@ -239,7 +239,7 @@ for arch in $ARCHS; do
         fi
         if [ -n "$HAS_CFGUARD" ]; then
             # Smoke test ASAN with CFGuard to make sure it doesn't trip.
-            $arch-w64-mingw32-clang $test.c -o $TEST_DIR/$test-asan-cfguard.exe -fsanitize=address -g -gcodeview -Wl,-pdb,$TEST_DIR/$test-asan.pdb -mguard=cf
+            $arch-w64-mingw32-clang $test.c -o $TEST_DIR/$test-asan-cfguard.exe -fsanitize=address -g -gcodeview -Wl,--pdb= -mguard=cf
             if [ -n "$NATIVE" ]; then
                 TESTS_EXTRA="$TESTS_EXTRA $test-asan-cfguard"
                 FAILURE_TESTS="$FAILURE_TESTS $test-asan-cfguard"