[MCAsmStreamer] Do not crash on switching to sections of unknown types (#92380)

MCObjectStreamer already accepts unknown types.

Author: kosarev

llvm/lib/MC/MCSectionELF.cpp

@@ -175,8 +175,7 @@ void MCSectionELF::printSwitchToSection(const MCAsmInfo &MAI, const Triple &T,
   else if (Type == ELF::SHT_LLVM_LTO)
     OS << "llvm_lto";
   else
-    report_fatal_error("unsupported type 0x" + Twine::utohexstr(Type) +
-                       " for section " + getName());
+    OS << "0x" << Twine::utohexstr(Type);
 
   if (EntrySize) {
     assert(Flags & ELF::SHF_MERGE);

llvm/test/MC/ELF/section-numeric-invalid-type.s

@@ -1,7 +1,7 @@
-// RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux-gnu %s -o - \
+// RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux-gnu %s \
 // RUN:   | llvm-readobj -S --symbols - | FileCheck --check-prefix=OBJ %s
 
-// RUN: not --crash llvm-mc -filetype=asm -triple=x86_64-pc-linux-gnu %s -o - 2>&1 \
+// RUN: llvm-mc -filetype=asm -triple=x86_64-pc-linux-gnu %s \
 // RUN:   | FileCheck --check-prefix=ASM %s
 
   .section .sec,"a",@0x7fffffff
@@ -11,4 +11,4 @@
 // OBJ-NEXT:   Type: Unknown (0x7FFFFFFF)
 // OBJ:      }
 
-// ASM: unsupported type 0x7fffffff for section .sec
+// ASM: .section .sec,"a",@0x7fffffff