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[ELF2] Fixed crash when no library is specified for -l 

llvm-svn: 250811
This commit is contained in:
George Rimar 2015-10-20 09:58:56 +00:00
parent 8f81e88184
commit b7d79b5c27
2 changed files with 7 additions and 0 deletions
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2
lld/ELF/DriverUtils.cpp
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@ -91,6 +91,8 @@ std::string lld::elf2::findFromSearchPaths(StringRef Path) {
// Searches a given library from input search paths, which are filled
// from -L command line switches. Returns a path to an existent library file.
std::string lld::elf2::searchLibrary(StringRef Path) {
if (Path.empty())
error("No library specified for -l");
std::vector<std::string> Names;
if (Path[0] == ':') {
Names.push_back(Path.drop_front());

5
lld/test/elf2/libsearch.s
View File

@ -10,6 +10,11 @@
// RUN: llvm-ar rcs %t.dir/libls.a %tst.o
// REQUIRES: x86
// Should fail if no library specified
// RUN: not ld.lld2 -l 2>&1 \
// RUN: | FileCheck --check-prefix=NOLIBRARY %s
// NOLIBRARY: No library specified for -l
// Should not link because of undefined symbol _bar
// RUN: not ld.lld2 -o %t3 %t.o 2>&1 \
// RUN: | FileCheck --check-prefix=UNDEFINED %s