Use new needs-(profiler|sanitizer)-support compiletest directive to clean up some run-make tests.

src/test/run-make-fulldeps/pgo-gen-lto/Makefile

@@ -1,8 +1,8 @@
+# needs-profiler-support
+
 -include ../tools.mk
 
 all:
-ifeq ($(RUSTC_PROFILER_SUPPORT),1)
 	$(RUSTC) -Copt-level=3 -Clto=fat -Z pgo-gen="$(TMPDIR)" test.rs
 	$(call RUN,test) || exit 1
 	[ -e "$(TMPDIR)"/default_*.profraw ] || (echo "No .profraw file"; exit 1)
-endif

src/test/run-make-fulldeps/pgo-gen-no-imp-symbols/Makefile

@@ -1,11 +1,11 @@
+# needs-profiler-support
+
 -include ../tools.mk
 
 all:
-ifeq ($(RUSTC_PROFILER_SUPPORT),1)
 	$(RUSTC) -O -Ccodegen-units=1 -Z pgo-gen="$(TMPDIR)" --emit=llvm-ir test.rs
 	# We expect symbols starting with "__llvm_profile_".
 	$(CGREP) "__llvm_profile_" < $(TMPDIR)/test.ll
 	# We do NOT expect the "__imp_" version of these symbols.
 	$(CGREP) -v "__imp___llvm_profile_" < $(TMPDIR)/test.ll # 64 bit
 	$(CGREP) -v "__imp____llvm_profile_" < $(TMPDIR)/test.ll # 32 bit
-endif

src/test/run-make-fulldeps/pgo-gen/Makefile

@@ -1,8 +1,8 @@
+# needs-profiler-support
+
 -include ../tools.mk
 
 all:
-ifeq ($(RUSTC_PROFILER_SUPPORT),1)
 	$(RUSTC) -g -Z pgo-gen="$(TMPDIR)" test.rs
 	$(call RUN,test) || exit 1
 	[ -e "$(TMPDIR)"/default_*.profraw ] || (echo "No .profraw file"; exit 1)
-endif

src/test/run-make-fulldeps/profile/Makefile

@@ -1,9 +1,9 @@
+# needs-profiler-support
+
 -include ../tools.mk
 
 all:
-ifeq ($(RUSTC_PROFILER_SUPPORT),1)
 	$(RUSTC) -g -Z profile test.rs
 	$(call RUN,test) || exit 1
 	[ -e "$(TMPDIR)/test.gcno" ] || (echo "No .gcno file"; exit 1)
 	[ -e "$(TMPDIR)/test.gcda" ] || (echo "No .gcda file"; exit 1)
-endif

src/test/run-make-fulldeps/sanitizer-address/Makefile

@@ -1,3 +1,5 @@
+# needs-sanitizer-support
+
 -include ../tools.mk
 
 LOG := $(TMPDIR)/log.txt
@@ -5,11 +7,9 @@ LOG := $(TMPDIR)/log.txt
 # NOTE the address sanitizer only supports x86_64 linux and macOS
 
 ifeq ($(TARGET),x86_64-apple-darwin)
-ASAN_SUPPORT=$(RUSTC_SANITIZER_SUPPORT)
 EXTRA_RUSTFLAG=-C rpath
 else
 ifeq ($(TARGET),x86_64-unknown-linux-gnu)
-ASAN_SUPPORT=$(RUSTC_SANITIZER_SUPPORT)
 
 # Apparently there are very specific Linux kernels, notably the one that's
 # currently on Travis CI, which contain a buggy commit that triggers failures in
@@ -23,7 +23,5 @@ endif
 endif
 
 all:
-ifeq ($(ASAN_SUPPORT),1)
 	$(RUSTC) -g -Z sanitizer=address -Z print-link-args $(EXTRA_RUSTFLAG) overflow.rs | $(CGREP) librustc_asan
 	$(TMPDIR)/overflow 2>&1 | $(CGREP) stack-buffer-overflow
-endif

src/test/run-make-fulldeps/sanitizer-cdylib-link/Makefile

@@ -1,3 +1,5 @@
+# needs-sanitizer-support
+
 -include ../tools.mk
 
 LOG := $(TMPDIR)/log.txt
@@ -8,15 +10,12 @@ LOG := $(TMPDIR)/log.txt
 # is correctly detected.
 
 ifeq ($(TARGET),x86_64-unknown-linux-gnu)
-ASAN_SUPPORT=$(RUSTC_SANITIZER_SUPPORT)
 
 # See comment in sanitizer-address/Makefile for why this is here
 EXTRA_RUSTFLAG=-C relocation-model=dynamic-no-pic
 endif
 
 all:
-ifeq ($(ASAN_SUPPORT),1)
 	$(RUSTC) -g -Z sanitizer=address --crate-type cdylib --target $(TARGET) $(EXTRA_RUSTFLAG) library.rs
 	$(RUSTC) -g -Z sanitizer=address --crate-type bin --target $(TARGET) $(EXTRA_RUSTFLAG) -llibrary program.rs
 	LD_LIBRARY_PATH=$(TMPDIR) $(TMPDIR)/program 2>&1 | $(CGREP) stack-buffer-overflow
-endif

src/test/run-make-fulldeps/sanitizer-dylib-link/Makefile

@@ -1,3 +1,5 @@
+# needs-sanitizer-support
+
 -include ../tools.mk
 
 LOG := $(TMPDIR)/log.txt
@@ -8,15 +10,11 @@ LOG := $(TMPDIR)/log.txt
 # is correctly detected.
 
 ifeq ($(TARGET),x86_64-unknown-linux-gnu)
-ASAN_SUPPORT=$(RUSTC_SANITIZER_SUPPORT)
-
 # See comment in sanitizer-address/Makefile for why this is here
 EXTRA_RUSTFLAG=-C relocation-model=dynamic-no-pic
 endif
 
 all:
-ifeq ($(ASAN_SUPPORT),1)
 	$(RUSTC) -g -Z sanitizer=address --crate-type dylib --target $(TARGET) $(EXTRA_RUSTFLAG) library.rs
 	$(RUSTC) -g -Z sanitizer=address --crate-type bin --target $(TARGET) $(EXTRA_RUSTFLAG) -llibrary program.rs
 	LD_LIBRARY_PATH=$(TMPDIR) $(TMPDIR)/program 2>&1 | $(CGREP) stack-buffer-overflow
-endif

src/test/run-make-fulldeps/sanitizer-invalid-cratetype/Makefile

@@ -1,18 +1,16 @@
+# needs-sanitizer-support
+
 -include ../tools.mk
 
 # NOTE the address sanitizer only supports x86_64 linux and macOS
 
 ifeq ($(TARGET),x86_64-apple-darwin)
-ASAN_SUPPORT=$(RUSTC_SANITIZER_SUPPORT)
 EXTRA_RUSTFLAG=-C rpath
 else
 ifeq ($(TARGET),x86_64-unknown-linux-gnu)
-ASAN_SUPPORT=$(RUSTC_SANITIZER_SUPPORT)
 EXTRA_RUSTFLAG=
 endif
 endif
 
 all:
-ifeq ($(ASAN_SUPPORT),1)
 	$(RUSTC) -Z sanitizer=address --crate-type proc-macro --target $(TARGET) hello.rs 2>&1 | $(CGREP) '-Z sanitizer'
-endif

src/test/run-make-fulldeps/sanitizer-leak/Makefile

@@ -1,12 +1,11 @@
 -include ../tools.mk
 
+# needs-sanitizer-support
 # only-linux
 # only-x86_64
 # ignore-test
 # FIXME(#46126) ThinLTO for libstd broke this test
 
 all:
-ifdef RUSTC_SANITIZER_SUPPORT
 	$(RUSTC) -C opt-level=1 -g -Z sanitizer=leak -Z print-link-args leak.rs | $(CGREP) librustc_lsan
 	$(TMPDIR)/leak 2>&1 | $(CGREP) 'detected memory leaks'
-endif

src/test/run-make-fulldeps/sanitizer-memory/Makefile

@@ -1,10 +1,9 @@
 -include ../tools.mk
 
+# needs-sanitizer-support
 # only-linux
 # only-x86_64
 
 all:
-ifdef RUSTC_SANITIZER_SUPPORT
 	$(RUSTC) -g -Z sanitizer=memory -Z print-link-args uninit.rs | $(CGREP) librustc_msan
 	$(TMPDIR)/uninit 2>&1 | $(CGREP) use-of-uninitialized-value
-endif

src/test/run-make-fulldeps/sanitizer-staticlib-link/Makefile

@@ -1,3 +1,5 @@
+# needs-sanitizer-support
+
 -include ../tools.mk
 
 # This test builds a staticlib, then an executable that links to it.
@@ -5,14 +7,11 @@
 # and we assert that a fault in the staticlib is correctly detected.
 
 ifeq ($(TARGET),x86_64-unknown-linux-gnu)
-ASAN_SUPPORT=$(RUSTC_SANITIZER_SUPPORT)
 EXTRA_RUSTFLAG=
 endif
 
 all:
-ifeq ($(ASAN_SUPPORT),1)
 	$(RUSTC) -g -Z sanitizer=address --crate-type staticlib --target $(TARGET) library.rs
 	$(CC) program.c $(call STATICLIB,library) $(call OUT_EXE,program) $(EXTRACFLAGS) $(EXTRACXXFLAGS)
 	LD_LIBRARY_PATH=$(TMPDIR) $(TMPDIR)/program 2>&1 | $(CGREP) stack-buffer-overflow
-endif