Use Linux-style section names for DWARF on Fuchsia.

runtime/vm/dwarf.cc

Index: runtime/vm/dwarf.cc
diff --git a/runtime/vm/dwarf.cc b/runtime/vm/dwarf.cc
index a38f74e4e80a9a447616c6c0fc04a236f5a43aaa..d5cd28fcf877477a44d4e45c0455b332a441a12d 100644
--- a/runtime/vm/dwarf.cc
+++ b/runtime/vm/dwarf.cc
@@ -156,7 +156,8 @@ void Dwarf::WriteAbbreviations() {
 
 #if defined(TARGET_OS_MACOS) || defined(TARGET_OS_MACOS_IOS)
   Print(".section __DWARF,__debug_abbrev,regular,debug\n");
-#elif defined(TARGET_OS_LINUX) || defined(TARGET_OS_ANDROID)
+#elif defined(TARGET_OS_LINUX) || defined(TARGET_OS_ANDROID) ||                \
+    defined(TARGET_OS_FUCHSIA)
   Print(".section .debug_abbrev,\"\"\n");
 #else
   UNIMPLEMENTED();
@@ -231,7 +232,8 @@ void Dwarf::WriteCompilationUnit() {
 
 #if defined(TARGET_OS_MACOS) || defined(TARGET_OS_MACOS_IOS)
   Print(".section __DWARF,__debug_info,regular,debug\n");
-#elif defined(TARGET_OS_LINUX) || defined(TARGET_OS_ANDROID)
+#elif defined(TARGET_OS_LINUX) || defined(TARGET_OS_ANDROID) ||                \
+    defined(TARGET_OS_FUCHSIA)
   Print(".section .debug_info,\"\"\n");
 #else
   UNIMPLEMENTED();
@@ -461,7 +463,8 @@ void Dwarf::WriteInliningNode(InliningNode* node,
 void Dwarf::WriteLines() {
 #if defined(TARGET_OS_MACOS) || defined(TARGET_OS_MACOS_IOS)
   Print(".section __DWARF,__debug_line,regular,debug\n");
-#elif defined(TARGET_OS_LINUX) || defined(TARGET_OS_ANDROID)
+#elif defined(TARGET_OS_LINUX) || defined(TARGET_OS_ANDROID) ||                \
+    defined(TARGET_OS_FUCHSIA)
   Print(".section .debug_line,\"\"\n");
 #else
   UNIMPLEMENTED();