Author: rogfer01
Date: Wed Sep 12 08:55:14 2018
New Revision: 342060

URL: http://llvm.org/viewvc/llvm-project?rev=342060&view=rev
Log:
[RISCV] Explicitly set an empty --sysroot in the test

In rL341655 we added additional behaviour to the Driver for riscv32-unknown-elf
when the sysroot is empty.

The new tests that check the new behaviour expect that the absence of --sysroot
in the command-line implies that the sysroot empty. This doesn't hold if clang
is built with a non-empty DEFAULT_SYSROOT in cmake. When this is the case, this
test fails.

Since the new behaviour is triggered when the sysroot is empty, pass an empty
--sysroot to avoid using the default (if any).

Differential Revision: https://reviews.llvm.org/D51972


Modified:
    cfe/trunk/test/Driver/riscv32-toolchain.c

Modified: cfe/trunk/test/Driver/riscv32-toolchain.c
URL: 
http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/riscv32-toolchain.c?rev=342060&r1=342059&r2=342060&view=diff
==============================================================================
--- cfe/trunk/test/Driver/riscv32-toolchain.c (original)
+++ cfe/trunk/test/Driver/riscv32-toolchain.c Wed Sep 12 08:55:14 2018
@@ -21,6 +21,7 @@
 
 // RUN: %clang %s -### -no-canonical-prefixes \
 // RUN:   -target riscv32-unknown-elf \
+// RUN:   --sysroot= \
 // RUN:   --gcc-toolchain=%S/Inputs/basic_riscv32_tree 2>&1 \
 // RUN:   | FileCheck -check-prefix=C-RV32-BAREMETAL-NOSYSROOT-ILP32 %s
 
@@ -52,6 +53,7 @@
 
 // RUN: %clangxx %s -### -no-canonical-prefixes \
 // RUN:   -target riscv32-unknown-elf -stdlib=libstdc++ \
+// RUN:   --sysroot= \
 // RUN:   --gcc-toolchain=%S/Inputs/basic_riscv32_tree 2>&1 \
 // RUN:   | FileCheck -check-prefix=CXX-RV32-BAREMETAL-NOSYSROOT-ILP32 %s
 


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