if (prevailing) {
SectionChunk *c = readSection(sectionNumber, def, getName());
sparseChunks[sectionNumber] = c;
+ if (!c)
+ return nullptr;
c->sym = cast<DefinedRegular>(leader);
c->selection = selection;
cast<DefinedRegular>(leader)->data = &c->repl;
--- /dev/null
+# REQUIRES: x86
+
+# RUN: llvm-mc -triple=x86_64-windows-gnu %s -filetype=obj -o %t.obj
+
+# RUN: lld-link %t.obj -out:%t.exe -debug:symtab -subsystem:console
+# RUN: llvm-readobj --coff-exports %t.exe | FileCheck %s
+
+# CHECK: Name: exportedFunc
+
+## This assembly snippet has been reduced from what Clang generates from
+## this C snippet, with -fsanitize=address. Normally, the .drectve
+## section would be a regular section - but when compiled with
+## -fsanitize=address, it becomes a comdat section.
+##
+# void exportedFunc(void) {}
+# void mainCRTStartup(void) {}
+# static __attribute__((section(".drectve"), used)) const char export_chkstk[] =
+# "-export:exportedFunc";
+
+ .text
+ .globl exportedFunc
+exportedFunc:
+ retq
+
+ .globl mainCRTStartup
+mainCRTStartup:
+ retq
+
+ .section .drectve,"dr",one_only,export_chkstk
+export_chkstk:
+ .asciz "-export:exportedFunc"