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java-1.8.0-openjdk/SOURCES/jdk8062808-pr3548-turn_on_t...

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# HG changeset patch
# User stefank
# Date 1525453613 -3600
# Fri May 04 18:06:53 2018 +0100
# Node ID 07a1135a327362f157955d470fad5df07cc35164
# Parent de79964656fc652f2085dac4fe99bcc128b5a3b1
8062808, PR3548: Turn on the -Wreturn-type warning
Reviewed-by: mgerdin, tschatzl, coleenp, jrose, kbarrett
diff --git openjdk.orig/hotspot/make/linux/makefiles/gcc.make openjdk/hotspot/make/linux/makefiles/gcc.make
--- openjdk.orig/hotspot/make/linux/makefiles/gcc.make
+++ openjdk/hotspot/make/linux/makefiles/gcc.make
@@ -210,7 +210,7 @@
WARNINGS_ARE_ERRORS += -Wno-return-type -Wno-empty-body
endif
-WARNING_FLAGS = -Wpointer-arith -Wsign-compare -Wundef -Wunused-function -Wunused-value
+WARNING_FLAGS = -Wpointer-arith -Wsign-compare -Wundef -Wunused-function -Wunused-value -Wreturn-type
ifeq ($(USE_CLANG),)
# Since GCC 4.3, -Wconversion has changed its meanings to warn these implicit
diff --git openjdk.orig/hotspot/src/cpu/x86/vm/x86_32.ad openjdk/hotspot/src/cpu/x86/vm/x86_32.ad
--- openjdk.orig/hotspot/src/cpu/x86/vm/x86_32.ad
+++ openjdk/hotspot/src/cpu/x86/vm/x86_32.ad
@@ -1250,6 +1250,7 @@
Unimplemented();
+ return 0; // Mute compiler
}
#ifndef PRODUCT
diff --git openjdk.orig/hotspot/src/os_cpu/linux_x86/vm/os_linux_x86.cpp openjdk/hotspot/src/os_cpu/linux_x86/vm/os_linux_x86.cpp
--- openjdk.orig/hotspot/src/os_cpu/linux_x86/vm/os_linux_x86.cpp
+++ openjdk/hotspot/src/os_cpu/linux_x86/vm/os_linux_x86.cpp
@@ -541,6 +541,7 @@
err.report_and_die();
ShouldNotReachHere();
+ return true; // Mute compiler
}
void os::Linux::init_thread_fpu_state(void) {
diff --git openjdk.orig/hotspot/src/share/vm/classfile/defaultMethods.cpp openjdk/hotspot/src/share/vm/classfile/defaultMethods.cpp
--- openjdk.orig/hotspot/src/share/vm/classfile/defaultMethods.cpp
+++ openjdk/hotspot/src/share/vm/classfile/defaultMethods.cpp
@@ -506,7 +506,7 @@
ss.write((const char*)name->bytes(), name->utf8_length());
ss.write((const char*)signature->bytes(), signature->utf8_length());
ss.print(" is abstract");
- return SymbolTable::new_symbol(ss.base(), (int)ss.size(), CHECK_NULL);
+ return SymbolTable::new_symbol(ss.base(), (int)ss.size(), THREAD);
}
Symbol* MethodFamily::generate_conflicts_message(GrowableArray<Method*>* methods, TRAPS) const {
@@ -521,7 +521,7 @@
ss.print(".");
ss.write((const char*)name->bytes(), name->utf8_length());
}
- return SymbolTable::new_symbol(ss.base(), (int)ss.size(), CHECK_NULL);
+ return SymbolTable::new_symbol(ss.base(), (int)ss.size(), THREAD);
}
diff --git openjdk.orig/hotspot/src/share/vm/classfile/symbolTable.cpp openjdk/hotspot/src/share/vm/classfile/symbolTable.cpp
--- openjdk.orig/hotspot/src/share/vm/classfile/symbolTable.cpp
+++ openjdk/hotspot/src/share/vm/classfile/symbolTable.cpp
@@ -249,7 +249,7 @@
MutexLocker ml(SymbolTable_lock, THREAD);
// Otherwise, add to symbol to table
- return the_table()->basic_add(index, (u1*)name, len, hashValue, true, CHECK_NULL);
+ return the_table()->basic_add(index, (u1*)name, len, hashValue, true, THREAD);
}
Symbol* SymbolTable::lookup(const Symbol* sym, int begin, int end, TRAPS) {
@@ -288,7 +288,7 @@
// Grab SymbolTable_lock first.
MutexLocker ml(SymbolTable_lock, THREAD);
- return the_table()->basic_add(index, (u1*)buffer, len, hashValue, true, CHECK_NULL);
+ return the_table()->basic_add(index, (u1*)buffer, len, hashValue, true, THREAD);
}
Symbol* SymbolTable::lookup_only(const char* name, int len,
diff --git openjdk.orig/hotspot/src/share/vm/classfile/systemDictionary.cpp openjdk/hotspot/src/share/vm/classfile/systemDictionary.cpp
--- openjdk.orig/hotspot/src/share/vm/classfile/systemDictionary.cpp
+++ openjdk/hotspot/src/share/vm/classfile/systemDictionary.cpp
@@ -229,15 +229,15 @@
class_name->as_C_string(),
class_loader.is_null() ? "null" : class_loader->klass()->name()->as_C_string()));
if (FieldType::is_array(class_name)) {
- return resolve_array_class_or_null(class_name, class_loader, protection_domain, CHECK_NULL);
+ return resolve_array_class_or_null(class_name, class_loader, protection_domain, THREAD);
} else if (FieldType::is_obj(class_name)) {
ResourceMark rm(THREAD);
// Ignore wrapping L and ;.
TempNewSymbol name = SymbolTable::new_symbol(class_name->as_C_string() + 1,
class_name->utf8_length() - 2, CHECK_NULL);
- return resolve_instance_class_or_null(name, class_loader, protection_domain, CHECK_NULL);
+ return resolve_instance_class_or_null(name, class_loader, protection_domain, THREAD);
} else {
- return resolve_instance_class_or_null(class_name, class_loader, protection_domain, CHECK_NULL);
+ return resolve_instance_class_or_null(class_name, class_loader, protection_domain, THREAD);
}
}
diff --git openjdk.orig/hotspot/src/share/vm/memory/heapInspection.hpp openjdk/hotspot/src/share/vm/memory/heapInspection.hpp
--- openjdk.orig/hotspot/src/share/vm/memory/heapInspection.hpp
+++ openjdk/hotspot/src/share/vm/memory/heapInspection.hpp
@@ -367,7 +367,7 @@
_csv_format(csv_format), _print_help(print_help),
_print_class_stats(print_class_stats), _columns(columns) {}
void heap_inspection(outputStream* st) NOT_SERVICES_RETURN;
- size_t populate_table(KlassInfoTable* cit, BoolObjectClosure* filter = NULL) NOT_SERVICES_RETURN;
+ size_t populate_table(KlassInfoTable* cit, BoolObjectClosure* filter = NULL) NOT_SERVICES_RETURN_(0);
static void find_instances_at_safepoint(Klass* k, GrowableArray<oop>* result) NOT_SERVICES_RETURN;
private:
void iterate_over_heap(KlassInfoTable* cit, BoolObjectClosure* filter = NULL);
diff --git openjdk.orig/hotspot/src/share/vm/memory/metaspaceShared.hpp openjdk/hotspot/src/share/vm/memory/metaspaceShared.hpp
--- openjdk.orig/hotspot/src/share/vm/memory/metaspaceShared.hpp
+++ openjdk/hotspot/src/share/vm/memory/metaspaceShared.hpp
@@ -93,7 +93,7 @@
static void preload_and_dump(TRAPS) NOT_CDS_RETURN;
static int preload_and_dump(const char * class_list_path,
GrowableArray<Klass*>* class_promote_order,
- TRAPS) NOT_CDS_RETURN;
+ TRAPS) NOT_CDS_RETURN_(0);
static ReservedSpace* shared_rs() {
CDS_ONLY(return _shared_rs);
diff --git openjdk.orig/hotspot/src/share/vm/oops/constantPool.hpp openjdk/hotspot/src/share/vm/oops/constantPool.hpp
--- openjdk.orig/hotspot/src/share/vm/oops/constantPool.hpp
+++ openjdk/hotspot/src/share/vm/oops/constantPool.hpp
@@ -352,7 +352,7 @@
Klass* klass_at(int which, TRAPS) {
constantPoolHandle h_this(THREAD, this);
- return klass_at_impl(h_this, which, CHECK_NULL);
+ return klass_at_impl(h_this, which, THREAD);
}
Symbol* klass_name_at(int which); // Returns the name, w/o resolving.
diff --git openjdk.orig/hotspot/src/share/vm/prims/jvm.cpp openjdk/hotspot/src/share/vm/prims/jvm.cpp
--- openjdk.orig/hotspot/src/share/vm/prims/jvm.cpp
+++ openjdk/hotspot/src/share/vm/prims/jvm.cpp
@@ -4244,7 +4244,7 @@
JVM_DTraceProvider* providers))
JVMWrapper("JVM_DTraceActivate");
return DTraceJSDT::activate(
- version, module_name, providers_count, providers, CHECK_0);
+ version, module_name, providers_count, providers, THREAD);
JVM_END
JVM_ENTRY(jboolean,JVM_DTraceIsProbeEnabled(JNIEnv* env, jmethodID method))
diff --git openjdk.orig/hotspot/src/share/vm/runtime/reflection.cpp openjdk/hotspot/src/share/vm/runtime/reflection.cpp
--- openjdk.orig/hotspot/src/share/vm/runtime/reflection.cpp
+++ openjdk/hotspot/src/share/vm/runtime/reflection.cpp
@@ -1093,7 +1093,7 @@
} else {
if (rtype == T_BOOLEAN || rtype == T_BYTE || rtype == T_CHAR || rtype == T_SHORT)
narrow((jvalue*) result.get_value_addr(), rtype, CHECK_NULL);
- return box((jvalue*) result.get_value_addr(), rtype, CHECK_NULL);
+ return box((jvalue*) result.get_value_addr(), rtype, THREAD);
}
}
diff --git openjdk.orig/hotspot/src/share/vm/runtime/sharedRuntime.cpp openjdk/hotspot/src/share/vm/runtime/sharedRuntime.cpp
--- openjdk.orig/hotspot/src/share/vm/runtime/sharedRuntime.cpp
+++ openjdk/hotspot/src/share/vm/runtime/sharedRuntime.cpp
@@ -1046,7 +1046,7 @@
// last java frame on stack (which includes native call frames)
vframeStream vfst(thread, true); // Do not skip and javaCalls
- return find_callee_info_helper(thread, vfst, bc, callinfo, CHECK_(Handle()));
+ return find_callee_info_helper(thread, vfst, bc, callinfo, THREAD);
}
diff --git openjdk.orig/hotspot/src/share/vm/services/memTracker.hpp openjdk/hotspot/src/share/vm/services/memTracker.hpp
--- openjdk.orig/hotspot/src/share/vm/services/memTracker.hpp
+++ openjdk/hotspot/src/share/vm/services/memTracker.hpp
@@ -64,7 +64,7 @@
const NativeCallStack& stack, MEMFLAGS flag = mtNone) { }
static inline void record_virtual_memory_commit(void* addr, size_t size, const NativeCallStack& stack) { }
static inline Tracker get_virtual_memory_uncommit_tracker() { return Tracker(); }
- static inline Tracker get_virtual_memory_release_tracker() { }
+ static inline Tracker get_virtual_memory_release_tracker() { return Tracker(); }
static inline void record_virtual_memory_type(void* addr, MEMFLAGS flag) { }
static inline void record_thread_stack(void* addr, size_t size) { }
static inline void release_thread_stack(void* addr, size_t size) { }
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