Blame SOURCES/8062808-pr3548.patch

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