driver: Allow -fdebug-compilation-dir=foo in joined form.
All 130+ f_Group flags that take an argument allow it after a '=',
except for fdebug-complation-dir. Add a Joined<> alias so that
it behaves consistently with all the other f_Group flags.
(Keep the old Separate flag for backwards compat.)
diff --git a/clang/test/CodeGen/debug-info-compilation-dir.c b/clang/test/CodeGen/debug-info-compilation-dir.c
index 786d235..b49a0f5 100644
--- a/clang/test/CodeGen/debug-info-compilation-dir.c
+++ b/clang/test/CodeGen/debug-info-compilation-dir.c
@@ -1,6 +1,7 @@
// RUN: mkdir -p %t.dir && cd %t.dir
// RUN: cp %s rel.c
// RUN: %clang_cc1 -fdebug-compilation-dir /nonsense -emit-llvm -debug-info-kind=limited rel.c -o - | FileCheck -check-prefix=CHECK-NONSENSE %s
+// RUN: %clang_cc1 -fdebug-compilation-dir=/nonsense -emit-llvm -debug-info-kind=limited rel.c -o - | FileCheck -check-prefix=CHECK-NONSENSE %s
// CHECK-NONSENSE: nonsense
// RUN: %clang_cc1 -emit-llvm -debug-info-kind=limited %s -o - | FileCheck -check-prefix=CHECK-DIR %s
diff --git a/clang/test/Driver/cl-options.c b/clang/test/Driver/cl-options.c
index 2a5453b..49f5166 100644
--- a/clang/test/Driver/cl-options.c
+++ b/clang/test/Driver/cl-options.c
@@ -627,6 +627,7 @@
// RUN: -fdiagnostics-color \
// RUN: -fno-diagnostics-color \
// RUN: -fdebug-compilation-dir . \
+// RUN: -fdebug-compilation-dir=. \
// RUN: -fdiagnostics-parseable-fixits \
// RUN: -fdiagnostics-absolute-paths \
// RUN: -ferror-limit=10 \
diff --git a/clang/test/Driver/clang_f_opts.c b/clang/test/Driver/clang_f_opts.c
index ea6d10a..0a7cfdf 100644
--- a/clang/test/Driver/clang_f_opts.c
+++ b/clang/test/Driver/clang_f_opts.c
@@ -543,7 +543,9 @@
// CHECK-NO-CF-PROTECTION-BRANCH-NOT: -fcf-protection=branch
// RUN: %clang -### -S -fdebug-compilation-dir . %s 2>&1 | FileCheck -check-prefix=CHECK-DEBUG-COMPILATION-DIR %s
+// RUN: %clang -### -S -fdebug-compilation-dir=. %s 2>&1 | FileCheck -check-prefix=CHECK-DEBUG-COMPILATION-DIR %s
// RUN: %clang -### -fdebug-compilation-dir . -x assembler %s 2>&1 | FileCheck -check-prefix=CHECK-DEBUG-COMPILATION-DIR %s
+// RUN: %clang -### -fdebug-compilation-dir=. -x assembler %s 2>&1 | FileCheck -check-prefix=CHECK-DEBUG-COMPILATION-DIR %s
// CHECK-DEBUG-COMPILATION-DIR: "-fdebug-compilation-dir" "."
// RUN: %clang -### -S -fdiscard-value-names %s 2>&1 | FileCheck -check-prefix=CHECK-DISCARD-NAMES %s
@@ -590,4 +592,4 @@
// CHECK-TRIVIAL-ZERO-BAD: hasn't been enabled
// RUN: %clang -### -S -fno-temp-file %s 2>&1 | FileCheck -check-prefix=CHECK-NO-TEMP-FILE %s
-// CHECK-NO-TEMP-FILE: "-fno-temp-file"
\ No newline at end of file
+// CHECK-NO-TEMP-FILE: "-fno-temp-file"
diff --git a/clang/test/Driver/fembed-bitcode.c b/clang/test/Driver/fembed-bitcode.c
index c72781d..d01ae6c 100644
--- a/clang/test/Driver/fembed-bitcode.c
+++ b/clang/test/Driver/fembed-bitcode.c
@@ -4,7 +4,7 @@
// CHECK-X64: "-cc1"
// CHECK-X64: "-cc1"
-// CHECK-X64-NOT: "-fdebug-compilation-dir"
+// CHECK-X64-NOT: "-fdebug-compilation-dir
// RUN: %clang -target armv7-apple-ios -fembed-bitcode=all -c %s -o /dev/null -### 2>&1 \
// RUN: | FileCheck -check-prefix CHECK-ARM %s
@@ -14,7 +14,7 @@
// CHECK-ARM: "-cc1"
// CHECK-ARM: "-target-abi"
// CHECK-ARM: "apcs-gnu"
-// CHECK-ARM-NOT: "-fdebug-compilation-dir"
+// CHECK-ARM-NOT: "-fdebug-compilation-dir
// RUN: %clang -target arm64-apple-ios -fembed-bitcode=all -c %s -o /dev/null -### 2>&1 \
// RUN: | FileCheck -check-prefix CHECK-AARCH64 %s
@@ -24,7 +24,7 @@
// CHECK-AARCH64: "-cc1"
// CHECK-AARCH64: "-target-abi"
// CHECK-AARCH64: "darwinpcs"
-// CHECK-AARCH64-NOT: "-fdebug-compilation-dir"
+// CHECK-AARCH64-NOT: "-fdebug-compilation-dir
// RUN: %clang -target hexagon-unknown-elf -ffixed-r19 -fembed-bitcode=all -c %s -### 2>&1 \
// RUN: | FileCheck --check-prefix=CHECK-HEXAGON %s
diff --git a/clang/test/Driver/integrated-as.s b/clang/test/Driver/integrated-as.s
index 3ad0860..0194a3d5 100644
--- a/clang/test/Driver/integrated-as.s
+++ b/clang/test/Driver/integrated-as.s
@@ -52,7 +52,9 @@
// PIC: "-mrelocation-model" "pic"
// RUN: %clang -### -target x86_64--- -c -integrated-as %s -Wa,-fdebug-compilation-dir,. 2>&1 | FileCheck --check-prefix=WA_DEBUGDIR %s
+// RUN: %clang -### -target x86_64--- -c -integrated-as %s -Wa,-fdebug-compilation-dir=. 2>&1 | FileCheck --check-prefix=WA_DEBUGDIR %s
// WA_DEBUGDIR: "-fdebug-compilation-dir" "."
// RUN: %clang -### -target x86_64--- -c -integrated-as %s -Xassembler -fdebug-compilation-dir -Xassembler . 2>&1 | FileCheck --check-prefix=XA_DEBUGDIR %s
+// RUN: %clang -### -target x86_64--- -c -integrated-as %s -Xassembler -fdebug-compilation-dir=. 2>&1 | FileCheck --check-prefix=XA_DEBUGDIR %s
// XA_DEBUGDIR: "-fdebug-compilation-dir" "."